Hawk Ups 1500VA Input: Phase: Single + GND. Voltage Range: 165-275V/ 82V-138V. Frequency: 50/60Hz +- 10%. Output: Voltage Range: 220/230/240/110/120V +- 10%. Wave Form: Sine wave ( Mains), Square Waves (inverter). Frequency: 50/60Hz +- 1% (Batter Mode). Crest Factor: 3:1. Transfer time: <10ms. Protection: Energy rating: 320 Joules Instantaneous response. Test Standard: IEEE 587 Cat. A&B. Noise Filtering: EMI/RFI: Full Time Suppression. Communication: RS232 or USB with PC monitoring software and cable (optional). Battery: Type: Sealed Lead-acid. Quantity: (x2) 12V8A. Backup Time: 15-20min depends on the load.
The INVO INSR Stabilizer offers automatic voltage regulation for homes and offices. It supports single-phase input from 1000 VA to 5000 VA, covering multiple needs . Moreover, it features a clear LCD that shows input and output voltages. This stabilizer uses a sturdy metal cabinet to protect internal parts. Also, it adds a three-second power delay to protect connected devices . Therefore, your appliances start safely after power returns. It comes in models such as INSR1000, 1500, 2000, 3000, and 5000 VA. This range suits small PCs to mid-sized equipment and appliances . Additionally, installation is easy via wall mount or tabletop placement. Built-in protections include overvoltage, undervoltage, and overload safety. This helps prevent damage during electrical fluctuations. It also resists heat and short circuit events. Thus, it keeps both electronics and home safe. Thanks to its servo-controlled design, it delivers steady output within ±3%. Hence, your sensitive devices run smoothly and securely. It also operates quietly, ideal for offices and study rooms. Plus, it’s energy efficient and requires minimal maintenance. Furthermore, its LCD display and simple controls make setup fast. The stabilizer supports various uses like PCs, printers, routers, TVs, and appliances. In short, the INVO INSR Stabilizer combines solid performance, safety, and ease. Choose this device when you need dependable voltage control at home or office. Specifications: INSR300 INVO Automatic Voltage Regulator 3000VA, LCD Display ,Single Phase, Metal Cabinet, Delay 3 secs INSR200 INVO Automatic Voltage Regulator 2000VA, LCD Display ,Single Phase, Metal Cabinet, Delay 3 secs INSR150 INVO Automatic Voltage Regulator 1500VA, LCD Display ,Single Phase, Metal Cabinet, Delay 3 secs INSR100 INVO Automatic Voltage Regulator 1000VA, LCD Display ,Single Phase, Metal Cabinet, Delay 3 secs INSR50 INVO Automatic Voltage Regulator 1000VA, LCD Display ,Single Phase, Metal Cabinet, Delay 3 secs
The Twist Online High Frequency UPS 1KVA TWUP1000/HF delivers stable backup power for servers, networking devices, and office equipment. It uses online double conversion technology for continuous clean power output. Additionally, the high-frequency design improves efficiency and reduces switching interruptions. Moreover, the UPS includes an LCD display for real-time monitoring and system status updates. It also features built-in 2x12V/9Ah batteries for backup operation during outages. Therefore, it protects connected devices from voltage fluctuations, surges, and power loss. Furthermore, the TWUP1000/HF supports pure sine wave output for sensitive electronic equipment. It also includes overload, short-circuit, and overheating protection for safer operation. Additionally, the compact tower design fits home, office, and IT environments easily. Specifications: 1KVA online double conversion UPS technology Built-in 2x12V/9Ah rechargeable batteries LCD display for system monitoring Pure sine wave output for stable power Overload and short-circuit protection system
The Twist Online High Frequency UPS 6KVA TWUP6000/HF provides continuous backup power for servers, networking systems, and critical equipment. It uses online double conversion technology for stable and clean power delivery. Additionally, the high-frequency design improves efficiency and reduces transfer interruptions. Moreover, the UPS includes an LCD display for real-time monitoring and system alerts. It features internal 16x12V/9Ah batteries for backup operation during outages. Therefore, it protects connected devices from voltage fluctuations, overloads, and sudden power loss. Furthermore, the TWUP6000/HF supports pure sine wave output for sensitive electronic equipment. It also includes overload, short-circuit, and overheating protection for safer operation. Additionally, the tower design fits office, server room, and IT environments easily. Specifications: 6KVA online double conversion UPS technology Internal 16x12V/9Ah rechargeable batteries LCD display for real-time monitoring Pure sine wave output for stable power delivery Overload and short-circuit protection system
The Beco Mini DC UPS 8800mAh delivers compact and reliable power backup for small DC devices. It offers emergency power without bulky hardware. This helps protect devices during brief outages or unstable power. Users enjoy continuous operation with confidence. Moreover, the Beco Mini DC UPS features an 8800mAh battery for extended backup time. It supports devices like routers, cameras, and small electronics. This ensures continuous functionality when mains power fails. Backup power stays dependable. In addition, the DC UPS supports automatic switching when power cuts occur. It detects outages instantly and activates backup power without delay. This keeps your devices running smoothly. Protection remains seamless and reliable. Furthermore, the Beco Mini DC UPS includes stable DC output for sensitive electronics. Power delivery stays steady even under load. This helps reduce risk of damage. Devices operate without sudden stops. Also, the UPS delivers a compact and portable design for easy placement anywhere. You can install it near devices without taking much space. This adds convenience for small homes and offices. In addition, the Beco Mini DC UPS 8800mAh supports multiple connection options for flexible use. It works with DC devices requiring uninterrupted power. Also, the compact and sturdy casing improves durability for daily use. The build feels reliable and long‑lasting. Users can trust the UPS for regular backup needs. Overall, the Beco Mini DC UPS 8800mAh delivers dependable backup power, seamless switching, and flexible use in a compact form. It is ideal for small DC devices needing continuous power and stable operation. Specifications: MINI DC UPS POE 8800mah, 17W Built-in Lithium Battery 2200mAh*4 5VDC USB output, 3*Sockets DC output Interface 5V/9V/12V Over charge, Over discharge, Overload, & Short circuit protection Microprocessor controller guaranties high reliability Multi-LED Status Indicator For: Routers, CCTVs, Modem, Wireless Phones, Monitors, PSP, and others
Prolink PRO3000SFCU 3000VA is a line-interactive UPS designed to provide stable backup power for PCs, servers, networking devices, and sensitive electronics. It ensures continuous operation during power cuts and voltage fluctuations. In addition, Prolink PRO3000SFCU 3000VA supports a wide input voltage range of 140–300VAC. Therefore, it stabilizes unstable electricity using automatic voltage regulation (AVR). Moreover, it delivers a fast transfer time of around 2ms for seamless switching between mains and battery mode. Furthermore, Prolink PRO3000SFCU 3000VA includes four 12V/10Ah batteries for extended backup support. As a result, it provides reliable runtime for critical systems depending on load. It also supports simulated sine wave output for compatible devices. In addition, Prolink PRO3000SFCU 3000VA features intelligent microprocessor control. Therefore, it improves efficiency, protection, and battery management. Moreover, it includes indicators and alarms for battery, overload, and fault conditions. Overall, Prolink PRO3000SFCU 3000VA delivers strong backup performance, stable voltage regulation, and reliable protection for home and office power needs. Specifications: 3000VA capacity for PCs and office equipment Line-interactive UPS with AVR voltage regulation Wide input range 140–300VAC for unstable power Fast ~2ms transfer time for uninterrupted switching Four 12V/10Ah batteries for extended backup support
The ProLink PRO910WL Professional II Series Online UPS is designed to provide stable and reliable power protection for servers, networking equipment, and critical electronic systems. It helps maintain continuous operation during power interruptions and protects connected devices from unstable electricity. The UPS provides a 10000VA capacity with an 8000W power rating. Additionally, it uses online double conversion technology to deliver clean and consistent power output for sensitive equipment that requires reliable energy support. The ProLink PRO910WL supports pure sine wave output for improved compatibility with different electronic devices. Moreover, its advanced power management system helps maintain stable voltage and frequency during changing power conditions. The UPS includes an LCD display that allows users to monitor important system information. Furthermore, the display provides details about input voltage, output voltage, battery status, load level, and operating conditions. The PRO910WL supports external battery configurations for extended backup time. In addition, it includes protection features against overload, short circuit, over-temperature, and battery-related issues to help protect connected equipment. The UPS is suitable for data centers, offices, industrial environments, and other locations that require dependable power backup. Therefore, it provides a practical solution for users who need continuous power protection for important systems. The ProLink PRO910WL Professional II Series Online UPS combines high power capacity, online protection technology, monitoring features, and safety functions. As a result, it delivers reliable backup power for critical applications. Specifications: Capacity: 10000VA / 8000W UPS Type: Online Double Conversion Output Waveform: Pure Sine Wave Display: LCD Display Protection: Overload, Short Circuit, Over Temperature, Battery Protection
The Twist Online High Frequency UPS 3KVA TWUP3000/HF delivers reliable backup power for servers, networking systems, and professional equipment. It uses online double conversion technology for continuous clean power output. Additionally, the high-frequency design improves efficiency and reduces power interruption risks. Moreover, the UPS includes an LCD display for real-time system monitoring and status alerts. It features internal 6x12V/9Ah batteries for backup operation during outages. Therefore, it helps protect sensitive devices from voltage fluctuations and sudden power loss. Furthermore, the TWUP3000/HF supports pure sine wave output for stable performance with critical equipment. It also includes overload, short-circuit, and overheating protection for safer operation. Additionally, the compact tower design fits office, server room, and IT environments easily. Specifications: 3KVA online double conversion UPS technology Internal 6x12V/9Ah rechargeable batteries LCD display for real-time monitoring Pure sine wave output for stable power delivery Overload and short-circuit protection system
General Topology Online double conversion Configuration Tower Part Number 9E3000I Rating (VA/Watts) 3000/2400 Dimensions (H x W x D, mm) 399 x 330 x 190 Weight (kg) 24.2 Warranty 2 years Electrical Input Connection (1) IEC-320-C20 Input Voltage Range 176-300V without derating (up to 100-300V with derating) Nominal Voltage 208/220/230/240V Frequency 50/60 Hz autoselection Frequency Range 40-70 Hz Electrical Output Voltages 208V*/220V/230V/240V ±1% Voltage THD <2% for 100% linear load Outlets (6) IEC-320-C13 (1) IEC-320-C19 Overload Capacity 105%-130% : 60s, 130%-150% : 10s,>150% : ≥ 300ms Efficiency (Normal Mode) Up to 91% in Online mode Output Frequency 50/60 Hz autoselect Communications Communication Ports 1 USB port + 1 RS232 serial port (USB and RS232 ports cannot be used simultaneously) Communication Slot 1 slot for Network-M2, ModBus-MS or Relay-MS cards Power Management Software Intelligent Power Editions Environmental & Standards Audible Noise <37 dB @ typical load Operating Temperature 0 to 40°C Safety markings IEC/EN 62040-1 EMC Markings IEC/EN 62040 -2 Approvals CE, CB report (TUV)
APC Easy UPS 800VA 230V Line Interactive UPS is a reliable power backup solution designed to protect home and office electronics from power outages, voltage fluctuations, and surges. It ensures stable and continuous operation for essential devices during unstable electricity conditions. It provides 800VA / 450W power capacity with line-interactive technology. Therefore, it automatically regulates voltage through AVR (Automatic Voltage Regulation) without switching to battery mode frequently. In addition, it helps extend battery life and maintain stable power output. The UPS includes an LED status display for clear monitoring of system and power conditions. As a result, users can easily check operational status, battery level, and load conditions at a glance. It features universal receptacles for flexible device compatibility. Meanwhile, its compact design and 5.3 kg weight make it easy to install in home or office environments. APC designs the Easy UPS series for dependable and efficient power protection. Therefore, this model is ideal for PCs, networking equipment, routers, and other essential electronics. Specifications: 800VA / 450W power capacity Line-interactive AVR technology LED status monitoring display Universal output receptacles Reliable backup for PCs and electronics
The Twist Line Interactive UPS 850VA TWUP850/LI provides backup power protection for computers, networking devices, and office electronics. It uses line interactive technology with automatic voltage regulation for stable power delivery. Additionally, the built-in 12V/7Ah battery supports continued operation during power interruptions. Moreover, the UPS includes LED status indicators for clear system monitoring. It also supports cold start functionality for startup without direct AC power. Therefore, it helps protect connected devices from voltage fluctuations and sudden outages. Furthermore, the compact tower design fits easily in home and office environments. The system also includes overload and short-circuit protection for safer daily operation. Additionally, the simulated sine wave output supports common desktop and networking equipment. Specifications: 850VA line interactive UPS technology Built-in 1x12V/7Ah rechargeable battery LED indicators for power status monitoring Automatic voltage regulation for stable output Overload and short-circuit protection system
Powerology Portable Power Generator,140400mAh Powerology 140400mAh Power Generator 500W Pure Sine-Wave Output -45W USB-C Power Delivery -18W USB-A Quick Charge -3.1A Dual USB Optimal Charge -220V UK AC Output -750W Max Surge
Prolink PRO906WS 6KVA / 4800W Online UPS with AVR is a high-performance power backup solution designed for critical devices, servers, and sensitive electronics. It provides stable and continuous power protection against outages and voltage fluctuations. It features a 6000VA (4800W) capacity with pure sine wave output. Therefore, it ensures clean and reliable power delivery for computers, networking equipment, and industrial systems. In addition, it protects devices from sudden power loss and electrical damage. The UPS uses online double-conversion technology with built-in AVR (Automatic Voltage Regulation). As a result, it delivers consistent voltage output and improves equipment safety during unstable power conditions. It supports heavy-duty usage and long backup operation depending on load. Meanwhile, its robust design makes it suitable for business, IT infrastructure, and professional environments. Prolink designs its UPS systems for reliability and protection. Therefore, this model is an ideal choice for users who need uninterrupted and stable power supply for critical operations. manufacturer link Specifications: 6000VA / 4800W high capacity Pure sine wave output Online double-conversion UPS Built-in AVR voltage regulation Ideal for servers and critical systems
APC Easy UPS On-Line SRV 10000VA 230V SRV10KI is a high-capacity online uninterruptible power supply designed for critical business infrastructure, servers, and data center environments. It provides continuous, clean, and stable power using true double-conversion technology. It delivers 10000VA / 10000W (approx.) power capacity for heavy-duty applications. Therefore, it can support multiple servers, networking equipment, and sensitive electronics during power failures or voltage fluctuations. In addition, it ensures uninterrupted operation for mission-critical systems. The UPS uses online double-conversion technology to fully isolate connected equipment from utility power disturbances. As a result, it provides consistent, regulated pure sine wave output at all times. It includes an LCD interface for real-time monitoring of system status, load, and battery conditions. Meanwhile, built-in protection features enhance system safety and operational reliability. APC designs the Easy UPS SRV series for enterprise-grade power protection. Therefore, this model is ideal for data centers, IT infrastructure, and critical business applications requiring maximum uptime. Manufacturer link Specifications: 10000VA high-capacity output Online double-conversion UPS system Pure sine wave power output LCD monitoring display Enterprise-grade power protection
The Prolink Online UPS 10KVA with LCD and Internal Battery is designed to provide stable power protection for servers, networking equipment, and critical electronic systems. It helps maintain continuous operation during power failures and protects devices from unstable power conditions. The UPS provides a 10KVA capacity and uses online double conversion technology. Additionally, it delivers clean and stable power output to support sensitive equipment that requires reliable energy performance. The Prolink Online UPS features an LCD display that allows users to monitor important system information. Moreover, the screen shows details such as input voltage, output voltage, battery status, load level, and operating conditions for easier management. The UPS includes an internal battery system that provides backup power during outages. Furthermore, it supports protection features against overload, short circuit, over-temperature, and battery problems to help protect connected devices. The Prolink Online UPS is suitable for offices, data centers, and professional environments that need continuous power support. Therefore, it provides a practical backup solution for important equipment that requires stable electricity. The UPS combines high capacity, online power protection, battery backup, and monitoring features in one system. As a result, it helps users maintain reliable power performance during unexpected interruptions. Specifications: Capacity: 10KVA UPS Type: Online Double Conversion Display: LCD Display Battery: Internal Battery System Protection: Overload, Short Circuit, Over Temperature Protection
APC UPS Accessories SURT48XLBP APC Smart-UPS RT 48V 1/2KVA SURT models Battery Pack
Specifications : Professional II Series (1P/1P) Tower is specifically designed for operation in poor power areas. They provides high power density with long backup time in compact size. It’s ideal for ATMs, banking and other business critical applications. – True double-conversion – Microprocessor control optimizes reliability – Output power factor 0.8 – Wide input voltage (110 V – 300 V) – Converter mode available – ECO mode for energy saving – Generator compatible – Smart SNMP works well with either USB or RS-232 together – Comprehensive display allows easy monitoring and access of UPS status – Input power factor correction manufacturer link
The PCE EX Online 6 KVA 5400W is a high-capacity online UPS built for strong power protection in offices and business environments. This UPS delivers clean and stable electricity even during severe power issues. Moreover, its true double-conversion design removes surges, sags, and spikes for safe device operation. Therefore, it fits companies and users who need dependable backup without interruption. First, the PCE EX Online 6 KVA 5400W supplies pure sine wave output for sensitive electronics like servers, workstations, and networking gear. This helps protect your devices from damage and performance drops. In addition, the online design ensures seamless switching between mains and battery power. As a result, connected equipment stays powered without sudden shutdowns during outages. Next, this UPS supports a high load capacity for multiple systems at once. You can run large setups including computers, storage units, and critical machinery. Furthermore, advanced battery management maximizes runtime and extends battery health. This means longer backup support when power cuts last. Meanwhile, the LCD display shows real-time status, load, and battery info for easy monitoring. The durable build quality makes the unit reliable for daily heavy use and long operational hours. Additionally, installation and setup are quick, with minimal steps required. Consequently, you save time and avoid complex configurations. Also, the UPS includes advanced safety features to prevent overloads and short circuits for extra peace of mind. Smart communication options integrate with software for automatic shutdown and alert notifications. This keeps systems protected even when you are away. Moreover, the UPS runs quietly and remains cool under full load without noise disruption. Therefore, it fits well in busy workspaces without distraction. Overall, the PCE EX Online 6 KVA 5400W delivers seamless power backup, strong protection, and stable performance. It provides great value for users who need reliable power security for critical systems. Specifications: Voltage : 220V, 230V, or 240V Capacity :12v/7Ah Frequency:50/60 Hz
The PCE PCD 12V 65Ah Deep Cycle Battery delivers dependable power for a wide range of applications. It provides stable energy over long discharge cycles. This battery supports regular use in marine, RV, solar, and backup power systems. It fits well where lasting performance matters. Moreover, the PCE PCD Deep Cycle Battery features a deep cycle design for long life and strong reliability. It tolerates repeated charging and discharging without damage. This increases uptime and reduces maintenance needs. Users enjoy continuous power without frequent replacements. In addition, the battery delivers 12 V and 65 Ah capacity for steady power delivery. This suits medium and high demand systems. Appliances, lights, and electronics receive reliable current. It helps systems stay stable in everyday use. Furthermore, the PCE PCD 12V 65Ah Deep Cycle Battery includes sturdy construction for long-lasting durability. The strong casing protects internal cells against wear and tear. This adds confidence in heavy use environments. Performance remains consistent over time. Also, the battery supports deep discharge recovery for extended service life. It recovers well even after heavy drain cycles. In addition, the PCE PCD Deep Cycle Battery is easy to install in many setups. It fits most battery holders and racks without fuss. Connections remain secure and simple. Furthermore, the PCE PCD Deep Cycle Battery supports stable performance in varying temperatures. It remains reliable in moderate heat and cold. This helps outdoor and mobile applications. Overall, the PCE PCD 12V 65Ah Deep Cycle Battery delivers strong power, lasting durability, and smooth performance. It fits home, marine, solar, and backup use. This battery is ideal for users who want dependable deep cycle energy every day. Specifications: Voltage : 12V Capacity : 65Ah
FANTECH NS11 Portable Aluminum Laptop Stand is designed to improve comfort, posture, and airflow while using a laptop. It is suitable for office work, study, and remote setups. It features an adjustable height and angle design that allows users to position their laptop at a more ergonomic viewing level. Therefore, it helps reduce neck and back strain during long working sessions. The stand is made from durable aluminum alloy for strong support and long-lasting use. In addition, it provides stable holding for laptops up to 15.6 inches. Its foldable and lightweight design makes it easy to carry and store. Moreover, the included free pouch adds convenience for travel and portability. The open structure improves ventilation and helps prevent laptop overheating. As a result, it offers a practical solution for comfortable and efficient laptop use. Specifications: Adjustable height and viewing angle Durable aluminum alloy construction Supports laptops up to 15.6 inches Foldable portable lightweight design Includes free carrying pouch
FANTECH NS10 Lifting Laptop Stand Silver is a height and angle adjustable stand designed to improve comfort, posture, and airflow during laptop use. It is suitable for office work, study, and home setups. It allows flexible adjustment of height and viewing angle to match user preference. Therefore, it helps reduce neck and shoulder strain during long working hours. The sturdy aluminum-style frame provides stable support for laptops of different sizes. In addition, it keeps the device secure during typing and daily use. Its open design improves ventilation around the laptop. Moreover, this helps reduce heat buildup and supports better cooling performance. The lightweight and foldable structure makes it easy to carry and store. As a result, it offers a practical ergonomic solution for everyday use. Specifications: Max Weight Load : 10 KG Material : Steel Size : 259 x 225 x 43mm Weight : 1440 Compatibility : Laptops or Tablets up to 17 inches
FANTECH NS10 Lifting Laptop Stand is a compact and adjustable stand designed to improve comfort and ergonomics during laptop use. It is suitable for office work, study, and home setups. It features height and angle adjustment to help users find a comfortable viewing position. Therefore, it reduces neck and shoulder strain during long working hours. The sturdy frame provides stable support for laptops of different sizes. In addition, it keeps the device secure during typing and daily use. Its open design improves airflow around the laptop. Moreover, this helps reduce heat buildup and supports better cooling performance. The stand is lightweight and easy to adjust, making it practical for everyday use. As a result, it offers a simple and effective ergonomic solution for any workspace. Specifications: Max Weight Load : 10 KG Material : Steel Size : 259 x 225 x 43mm Weight : 1440 Compatibility : Laptops or Tablets up to 17 inches
FANTECH NS12 Laptop Stand is a portable and adjustable stand designed to improve comfort, posture, and laptop cooling. It is suitable for office work, study, and remote setups where ergonomic positioning is important. It offers 16 levels of height adjustment, allowing users to find the most comfortable viewing angle. Therefore, it helps reduce neck and shoulder strain during long hours of use. The stand is built with durable aluminum alloy for strong stability and long-term use. In addition, it supports laptops up to 15.6 inches securely. Its foldable design makes it easy to carry and store in a bag. Moreover, the included free pouch improves portability for travel and daily commuting. The open-frame structure enhances airflow around the laptop. As a result, it helps improve cooling performance during heavy use. Specifications: 16-level height adjustment system Durable aluminum alloy construction Supports laptops up to 15.6 inches Foldable portable lightweight design Free carrying pouch included
FANTECH NC30 Laptop Cooling Stand is designed to improve laptop cooling, comfort, and usability during long gaming or working sessions. It supports laptops up to 17.3 inches, making it suitable for both gaming laptops and professional setups. It features a detachable RGB fan that provides active cooling to reduce heat buildup. Therefore, it helps maintain stable performance during heavy workloads and extended use. The stand offers adjustable height and a 360° swivel design for flexible positioning. In addition, it improves ergonomic comfort by allowing users to find the best viewing angle. Its strong structure ensures stable support for large laptops. Moreover, the open design enhances airflow for better passive cooling efficiency. The RGB lighting adds a stylish gaming aesthetic to any setup. As a result, it combines performance, comfort, and visual appeal in one cooling solution. Specifications: Detachable RGB cooling fan Adjustable height ergonomic design 360° swivel rotation base Supports laptops up to 17.3 inches Enhanced airflow cooling structure
FANTECH NC21 Cooling Pad is designed to improve laptop cooling performance, comfort, and usability during long gaming or working sessions. It supports efficient airflow with a powerful dual-fan system for stable temperature control. It features large dual fans that deliver strong cooling performance across the laptop base. Therefore, it helps reduce overheating and maintain smoother system performance during heavy use. The stand includes 8 levels of height adjustment for better ergonomic positioning. In addition, it helps reduce neck and back strain by improving viewing angles. A built-in phone holder adds extra convenience for multitasking. Moreover, RGB lighting enhances the gaming setup with a stylish visual effect. Its sturdy design supports stable laptop placement while maintaining effective airflow. As a result, it combines cooling, comfort, and functionality in one setup solution. Specifications: Max Weight Load : 10 KG Material : Steel Size : 259 x 225 x 43mm Weight : 1440 Compatibility : Laptops or Tablets up to 17 inches