Premium-grade trackpad replacement for MacBook Air 13″ M1 (Model A2338, 2020)—available in Silver and Space Gray—engineered to OEM specifications for flawless Force Touch response, smooth gesture control, and seamless aesthetic integration. Compatible With: MacBook Air 13-inch (2020, Model A2338) with Apple M1 chip. Part Type: Trackpad only—does not include the flex cable, Taptic Engine, or mounting brackets. Designed for professional technicians who will reuse original internal components. Finish Options: Silver: Matches Silver and Starlight MacBook Air finishes. Space Gray: Matches Space Gray and Midnight models for perfect color continuity. Silver: Matches Silver and Starlight MacBook Air finishes. Space Gray: Matches Space Gray and Midnight models for perfect color continuity. Force Touch Capable: Fully supports pressure-sensitive input and haptic feedback when paired with the original Taptic Engine and logic board—no loss of functionality. Precision Craftsmanship: Mirror-polished glass surface with exact curvature, texture, and click mechanism matching Apple’s original design for consistent performance and feel. Installation Requirements: Requires full bottom case disassembly and careful transfer of the original flex cable and Taptic Engine. Adhesive must be applied precisely to maintain structural integrity and sensor alignment. For professional use only.
Arabic Keyboard Cover Skin for MacBook Air 13'' (A1369/A1466, NO Touch ID) 2012 -2017 /MacBook Pro 13" 15'' 2013-2015 with or w/out Retina Display Ultra Thin Silicone Keyboard Protector (Black) Arabic Keyboard Cover Skin for MacBook Air 13” (A1369/A1466, NO Touch ID) 2012 -2017 /MacBook Pro 13″ 15” 2013-2015 with or w/out Retina Display Ultra Thin Silicone Keyboard Protector (Black) About this item COMPATIBLE WITH: 2015 and before 2015 version Macbook: 1) MacBook Air 13″ (Models: A1369 and A1466); 2) MacBook Pro 13.3″ (Model: A1278); 3) MacBook Pro 13.3″ with Retina Display (Models: A1502 and A1425, 2013-2012 released); 4) MacBook Pro 15″ with Retina Display (Model: A1398, 2013-2012 released); 5) MacBook Pro 15.4″ Model: A1286 [√] MORE PROTECTION for KEYBOARD: waterproof, dust-proof and dirt-proof design can prevent liquid, dust, cigarette ash, biscuit crumbs falling onto your keyboard to affect your keyboard’s life. [√] ACCURATE KEYS: every key is specially molded, manufactured to the quality available. Flexible, this cover is easy to apply and remove for cleaning [√] SOFT & ULTRA SKIN: ultra thin silicone keyboard cover skin, made it easier for typing. Soft keyboard protector can weaken the sound in typing [XX] ATTENTION!!: NOT FIT FOR: 2020-2016 Released Macbook Pro 13 inch 15 inch with Touch Bar/2020-2018 Released: Macbook Air 13-Inch. You can find the model number on the bottom of the laptop
Apple MacBook Pro 16" A2141 2019 Logic Board i7 2.6GHz 16GB 512GB 4GB VGA Apple MacBook Pro 16″ A2141 2019 Logic Board i7 2.6GHz 16GB 512GB 4GB VGA Intel 2.6 GHz Six Core i7-9th gen 16 GB RAM 512 GB SSD AMD RADEON PRO 5300M 4GB Intel UHD Graphics 630 Intel 2.6 GHz Six Core i7-9th gen 16 GB RAM 512 GB SSD AMD RADEON PRO 5300M 4GB Intel UHD Graphics 630
Experience the perfect balance of performance and value with the Lenovo ThinkPad E14 Gen 1. Powered by a reliable 10th Gen Intel Core i5 processor, 16GB RAM, and a spacious 512GB NVMe SSD, this 14-inch laptop is built to handle professional multitasking with the signature durability of the ThinkPad line.
Upgrade your workspace with a massive 27-inch Full HD canvas. Combining a high-speed 100Hz refresh rate with a stunning frameless IPS display, the B27M1 delivers an expansive, fluid viewing experience for professionals and creators alike. Model: Buerotika B27M1 Primary Specs: 27-inch Wide-Screen Display Display/Performance: IPS (In-Plane Switching) for 178° ultra-wide viewing angles Visual/Build Quality: 1920 x 1080 (Full HD) with vibrant color reproduction Aesthetic: 3-sided frameless “infinity” design for a sleek, modern desk setup Build: Lightweight, ultra-slim chassis with a space-saving minimalist stand Adjustability: Ergonomic tilt adjustment to match your eye level Input/Output: HDMI (High-Speed) and VGA ports Compatibility: Fully compatible with desktop PCs, laptops, and gaming consoles Smooth Motion: 100Hz Refresh Rate – 66% faster than standard monitors for reduced motion blur and lag. Eye Care: Integrated Flicker-Free technology and Low Blue Light filters for comfortable all-day use. Panel Quality: IPS technology ensures colors stay accurate even when viewed from the side. Enhanced Productivity: Large 27-inch screen allows for comfortable side-by-side window multitasking. Home Entertainment: Great for streaming and movies where a larger screen provides more impact. Education & Research: Easy-to-read text and large display area for students and writers. Casual Gaming: The 100Hz boost provides a competitive edge in smoothness over 60Hz displays.
Foloda Wireless Number Pads, Numeric Keypad Numpad 22 Keys Portable 2.4 GHz Financial Accounting Number Keyboard Extensions 10 Key for Laptop, PC, Desktop, Surface Pro, Notebook
New BT04XL 14.8V 52WH Notebook Battery for HP EliteBook Folio 9470 9470M 9480m Ultrabook BT04 BA06 HSTNN-IB3Z HSTNN-I10C 687945-001 H4Q47AA 687517-241 HSTNN-DB3Z 687517-171 BA06XL H4Q48AA About this item Battery type: Li-ion; Capacity: 52WH; Voltage: 14.8V; Cells: 6-cell. The battery compatible with P/N.: Spare 687517-171 687517-241 687945-001 696621-001; EliteBook Folio 9470 9470M 9480 9480M Series; fits HSTNN-DB3Z HSTNN-IB3Z HSTNN-I10C 687517-1C1 BT04 BT04XL BA06 BA06XL H4Q47AA H4Q48AA 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Grade A cells ensure fast charges and low power consumption. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. Brand new from Manufacturer. Up to 500 recharge cycles over the life of the battery. Operation time for standard batteries: Around1.5~3.5 hours, the actual operation time will depend on how much electricity is required by the device and how you use it.
The Arzopa A1 is an ultra-slim, lightweight 15.6-inch portable monitor engineered for seamless travel productivity and entertainment. Delivering crisp Full HD imagery on a premium IPS panel with integrated eye care features, it provides a hassle-free plug-and-play experience using dual full-function USB-C and Mini HDMI inputs. Complete with a built-in adjustable kickstand, it is the perfect dual-screen companion for laptops, smartphones, and gaming consoles. ✅ Full Specifications: Model: ARZOPA Type-C Portable Monitor (ARZOPA-A1) Interface / Connection: Multi-Port Input Panel: 2 x USB Type-C Full Function Ports (Supports concurrent video transmission, data, and power delivery) 1 x Mini HDMI Port (Video signal input only) 1 x 3.5mm Headphone / Audio Output Interface Interface / Connection: Multi-Port Input Panel: 2 x USB Type-C Full Function Ports (Supports concurrent video transmission, data, and power delivery) 1 x Mini HDMI Port (Video signal input only) 1 x 3.5mm Headphone / Audio Output Interface Performance / Screen Quality: Panel Type: IPS (In-Plane Switching) display with 178° wide viewing angles Resolution: Full HD 1920 x 1080p Refresh Rate: 60Hz Aspect Ratio: 16:9 Brightness: 300 cd/m² Contrast Ratio: 1200:1 Display Colors: 262K (8-bit) Color Gamut: 45% NTSC / 72% sRGB space coverage Performance / Screen Quality: Panel Type: IPS (In-Plane Switching) display with 178° wide viewing angles Resolution: Full HD 1920 x 1080p Refresh Rate: 60Hz Aspect Ratio: 16:9 Brightness: 300 cd/m² Contrast Ratio: 1200:1 Display Colors: 262K (8-bit) Color Gamut: 45% NTSC / 72% sRGB space coverage Display Technology: Features built-in HDR rendering technology to boost dynamic contrast alongside a Low Blue Light comfort filter to reduce eye fatigue. Audio: Dual built-in stereo speakers (1W x 2 configuration). Material & Build: Premium, durable metal housing constructed out of a sleek aluminum alloy framework. Design & Form Factor: Ultra-thin bezel layout boasting an integrated adjustable smart kickstand for multi-angle landscape deployment. Power Setup: Driverless plug-and-play architecture. Operates without an internal battery; runs on host device power distribution via USB-C or requires an external 5V/3A power input adapter. Compatibility: Fully compatible with MacBooks, Windows PCs/Laptops, Chromebooks, USB-C supported Android smartphones, and modern gaming consoles (Nintendo Switch, Xbox Series X/S, PS4, PS5). Dimensions: Approx. 355.6 x 220.9 x 9.14 mm (Ultra-slim 0.36-inch profile) Weight: Approx. 725 to 735 grams (1.6 lbs lightweight chassis)
LB-LINK BL-WN510BT – Compact USB Bluetooth 5.1 adapter with up to 20m range and support for multiple device types.Ideal for connecting headsets, gamepads, and more to PCs with strong, stable wireless performance. Model: LB-LINK BL-WN510BT Bluetooth Version: Bluetooth 5.1 (backward compatible with 5.0/4.2/4.0/3.0/2.0) Interface: USB 2.0 (Plug-and-Play) Operating Range: Up to 20 meters (unobstructed) Data Transfer Rate: Up to 3 Mbps Supported Profiles: A2DP, HSP, HFP, AVRCP, HID, PAN, FTP, SPP, etc. OS Compatibility: Windows 7 / 8 / 8.1 / 10 / 11 (Driver may be required for Win 7) Not natively compatible with macOS or Linux OS Compatibility: Windows 7 / 8 / 8.1 / 10 / 11 (Driver may be required for Win 7) Not natively compatible with macOS or Linux Functions: Enables PC or laptop Bluetooth connection with headsets, keyboards, mice, speakers, gamepads, printers, etc. Supports dual-mode Bluetooth (BR/EDR and LE) Functions: Enables PC or laptop Bluetooth connection with headsets, keyboards, mice, speakers, gamepads, printers, etc. Supports dual-mode Bluetooth (BR/EDR and LE) Power Consumption: Low Energy (LE) support for improved efficiency Security: Enhanced encryption and pairing features for secure connections Size: Ultra-compact nano design Weight: Less than 5g Plug & Play: Driver-free on Windows 10 and 11
Genuine-spec touchpad flex cable for MacBook Pro 13″ (Model A2251, 2020, Intel)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 13-inch (2020, Two Thunderbolt Ports, Model A2251, Model Identifier MacBookPro16,1) with Intel Core i5/i7 processors. Part Type: Touchpad flex cable only—does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Precise touch coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support including Force Click, three-finger lookup, swipe navigation, and inertial scrolling. Precise touch coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support including Force Click, three-finger lookup, swipe navigation, and inertial scrolling. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and partial disassembly (including battery disconnect). Cable routes under the right speaker and logic board—must be seated in original retention channels. Connects via ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and partial disassembly (including battery disconnect). Cable routes under the right speaker and logic board—must be seated in original retention channels. Connects via ZIF (Zero Insertion Force) socket—align carefully and latch gently. Recommended for experienced or certified technicians only.
GAMDIAS AURA GK2 White & Black | Full-Size Wired Mechanical Keyboard | Tactile Mechanical Switches | Multi-Colour Backlit Switches | 10 Built-in Hot Keys | 50 Million Switch Lifecycle | USB-A About this item Gamdias AURA GK2 is a wired mechanical keyboard designed to complement your gaming experience and skills. We have added multiple functionality features to make the AURA GK2 a high-performance keyboard. Each key has a 50 Million Key Press Lifecycle over the standard 20 million. This enables the keyboard to stay efficient and provide accurate feedback even after a longer use period. The Keyboard has been designed to provide a highly responsive and easily adaptable gaming experience with its Tactile Mechanical Keyboard while complimenting your setup with dual color keycaps. The Keyboard comes in the White & Black color to easily blend in with your aesthetic environment and complement your professional or gaming setup. The keyboard has a multi-colour backlight and 9 Built-In Lighting effects. Dimensions: 29.2 x 10.2 x 4 cm; 519 Grams
BATTERY DELL RYXXH Laptop Battery Compatible with DELL Latitude E5250 P25S001 Latitude E5450 E5550 DELL Latitude 3150 P21T001 Series Notebook 09P4D2 9P4D2 0YD8XC R5MD0 5TFCY VVXTW VY9ND 38Wh 11.1V About this item 【Basic Details】Item Model: RYXXH ; Battery Type: Li-ion; Voltage: 11.1V; Capacity: 38Wh; Battery Color: Black. 【Compatible P/N 】RYXXH 0RYXXH 9P4D2 R5MD0 YD8XC 5TFCY VVXTW VY9ND 0VY9ND Laptop Battery. 【Compatible Laptop Models】 DELL Latitude 12 5000 Series, DELL Latitude 12 E5250 Series, DELL Latitude E5450 Series, DELL Latitude E5550 Series, DELL Latitude 3150 Series, DELL Latitude 3160 Series. 【Note】The package includes: 1*battery and 1*Instructions. Packaged by sponge or bubbles to prevent damage. Before purchasing, please open the back cover of the laptop to confirm the battery model and shape.
Genuine Apple sleep/wake sensor flex cable (Hall effect sensor) for MacBook Air 13.6″ (Model A2681, 2022, M2)—ensures automatic display sleep when the lid is closed and wake-on-open functionality. OEM part number 821-04129-02. Compatible With: MacBook Air 13.6-inch (2022, Model A2681) with Apple M2 chip (all colors: Silver, Space Gray, Starlight, Midnight). Apple Part Number: 821-04129-02 (exact OEM service part). Function: Contains the Hall effect sensor that detects the magnet in the MacBook Air’s display lid. This allows macOS to: Sleep the system when the lid is closed Wake instantly when opened Prevent false sleep/wake events during use Sleep the system when the lid is closed Wake instantly when opened Prevent false sleep/wake events during use Location: Mounted near the right side of the keyboard, adjacent to the battery and logic board. Common Failure Symptoms: MacBook doesn’t sleep when lid is closed MacBook wakes randomly in a bag “Lid closed” not recognized in macOS Requires manual sleep or power button use MacBook doesn’t sleep when lid is closed MacBook wakes randomly in a bag “Lid closed” not recognized in macOS Requires manual sleep or power button use Part Type: Flex cable with integrated Hall sensor—not just a cable, but a calibrated magnetic sensor module. Installation Note: Requires full bottom case removal and careful disconnection of the battery. The sensor is adhered near the I/O area—do not bend or puncture. Recommended for experienced technicians.
The Cudy WR3000 AX3000 WiFi 6 Router delivers ultra-fast wireless speeds and improved network efficiency with the latest WiFi 6 technology. Designed for modern homes and offices, it offers high-speed Gigabit connectivity, wider coverage, and stable performance for multiple devices. AX3000 WiFi 6 Speed – Combined speeds of up to 3000Mbps for ultra-smooth streaming, gaming, and downloads. Next-Gen WiFi 6 Technology – Improved efficiency, lower latency, and better performance for multiple connected devices. Gigabit Ethernet Ports – High-speed WAN and LAN ports for maximum wired performance. Enhanced Coverage – High-performance antennas provide strong and stable WiFi signal across your space. OFDMA & MU-MIMO – Efficient data transmission to multiple devices simultaneously without slowing down the network. Multiple Operating Modes – Supports Router, Access Point, and Repeater modes for flexible setup. Advanced Security – WPA3/WPA2 encryption ensures a secure and protected network. 1 × Gigabit WAN Port 4 × Gigabit LAN Ports Dual Band WiFi (2.4GHz & 5GHz) WiFi 6 (802.11ax) Ethernet (RJ45) Wireless Security (WPA2/WPA3)
90W AC Charger Replacement for HP EliteDesk 705 G1 G2 G4 705 800 G5 Desktop Mini ProOne 400 G4 G5 23.8-inch All-in-One ProOne 400 G2 G3 G4 G5 460 G2 G3 480 G2 G3 20-inch All-in-One
The Lexar NM620 2TB NVMe SSD delivers exceptional read speeds up to 3,300 MB/s and write speeds up to 3,000 MB/s through its PCIe Gen3x4 NVMe 1.4 interface. Built with 3D NAND Flash and a compact M.2 2280 form factor, it offers fast, efficient, and reliable storage for gaming, video editing, and professional workloads. The Lexar NM620 2TB M.2 2280 NVMe SSD is engineered for users who need high-performance storage without compromise. Using PCIe Gen3x4 lanes and the NVMe 1.4 protocol, it provides up to six times faster transfer speeds than SATA SSDs. Its slim, cable-free design makes it an ideal upgrade for desktops, laptops, and ultrabooks that demand higher data throughput and improved responsiveness. ⚡ High-Speed NVMe Performance: Delivers sequential read/write speeds up to 3,300 MB/s / 3,000 MB/s for faster system boot-ups, game loading, and large-file transfers. 💾 Large 2 TB Capacity: Provides ample storage for 4K media, applications, and high-volume project files. 🔋 Power-Efficient Design: Optimized for lower power draw, helping extend laptop battery life and reduce operating temperatures. 🔒 Advanced Data Protection: Utilizes LDPC (Low-Density Parity-Check) and end-to-end data path protection for accurate, consistent data integrity. 🧊 Compact Form Factor: The M.2 2280 design supports easy installation in modern systems without cables. 🧠 3D NAND Architecture: Ensures improved endurance, sustained performance, and stability during intensive workloads. 🧰 Durability Tested: Resistant to shock and vibration for dependable performance across a range of operating environments.
lenovo battery 42T4733 42T4235 42T4708 42T4714 Laptop Battery Replacement for Lenovo Ibm Thinkpad Sl410 Sl410k Sl510 T410 T410i T420 T510 T510i T520 E40 E50 E420 E520 Sl410 2842 Sl410 2874 Sl410k(11.1V 5200Mah) About this item Battery Type: Li-ion Voltage: 11.1V Capacity: 5200Mah Compatible Part Number: 42T4235 42T4708 42T4714 42T4733 42T4756 42T4764 42T4798 42T4803 42T4819 42T4848 42T4911 51J0499 57Y4185 57Y4545 ASM 42T4703 42T4752 42T4794 42T4702 Compatible with Battery P/N : LENOVO ThinkPad E40 E50 Edge 0578-47B Edge 14″ 05787UJ d 14″ 05787VJ 14″ 05787WJ Edge 15″ E420 E425 E520 L410 L412 L420 L421 L510 L512 L520 SL410 2842 SL410 2874 SL410k 2842 SL510 SL510 2875 SL510 T410 T410i T420 T510 T510i T520 T520i W510 W520 New from Manufacturer. CE-/FCC-/RoHS-Certified for safety.
A1932 A2179 A1965 Battery for MacBook Air 13″ Retina (2018 2019, Early 2020) EMC 3184 3302 MRE82 MRE92 MVFH2 MWTJ2 MVH22 MVFM2 MVFK2 MREE2 MREC2 MREA2 MREF2 MUQT2 MUQU2 MacBookAir8,1 8,2 9,1 📄【Specification】Voltage: 11.4V. Capacity: 49.9Wh 4379mAh. Battery Type: Li-Polymer. Condition: Brand new, from high quality materials, top circuit boards and smart chip. 🔋【Replace Part Number】A1965 A1932(EMC 3184) A2179(EMC 3302) 3ICP4/63/119 MacBookAir8,1 MacBookAir8,2 MacBookAir9,1. 💻【Compatible Models】Only fit for MacBook Air 13″ (Model A1932 & Model A2179) Release 2018 2019 2020, fit for MRE82LL/A, MVFH2LL/A, MVFM2LL/A, MVFK2LL/A, MVFJ2LL/A, MVFN2LL/A, MVFL2LL/A, MREE2LL/A, MREC2LL/A, MREA2LL/A, MREF2LL/A, MRE92LL/A, MWTJ2LL/A, MVH22LL/A, MVH52LL/A, MVH42LL/A, MWTL2LL/A, MWTK2LL/A. Please kindly check the model number at the bottom of your laptop (A****). NOT FIT FOR MODEL A2337. 💻【ANTIEE Promise】Each products has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety. About 500 recharge cycles over the life.
Professional Lavalier Microphone Candc DC-C6 Candc DC-C6 Lavalier Microphone for Smartphones, DSLR, Camcorders, Audio recorders, PC etc. Clip microphone to help you get music or sound.One-directional microphone with anti-noise function. type jack can be connected to PC / laptop / wireless microphone transmitter with 3.5mm line-in / mic in. Built-in clip can be easily attached to collar, tie or other clothes-no installation required. Features: Type: microphone Cable length: about 116 cm Sensitivity: -46 ± 2db : one way Operating voltage: DC1.0V-10 VAcurrent consumption
Genuine-spec touchpad flex cable for MacBook Pro 15″ (Model A1707, 2016–2017)—restores full Force Touch functionality, haptic feedback, and precise multi-touch gesture control during trackpad repair or replacement. Compatible With: MacBook Pro 15″ (2016) – Model A1707 (Model Identifier: MacBookPro13,2) MacBook Pro 15″ (2017) – Model A1707 (Model Identifier: MacBookPro14,2) MacBook Pro 15″ (2016) – Model A1707 (Model Identifier: MacBookPro13,2) MacBook Pro 15″ (2017) – Model A1707 (Model Identifier: MacBookPro14,2) Part Type: Touchpad flex cable only — does not include the trackpad housing, Taptic Engine, or mounting hardware. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Transmits: Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. Touch input coordinates Force Touch pressure data Haptic feedback signals to the Taptic Engine Enables full macOS gesture support: Force Click, three-finger lookup, swipe navigation, pinch-to-zoom, and smooth cursor tracking. OEM-Quality Build: Matches Apple’s original specifications in: Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Cable length and routing path Connector pitch and ZIF latch design EMI shielding and flex durability Common Use Cases: Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Replacing a torn, creased, or liquid-damaged original flex cable Completing a trackpad replacement when the original cable is compromised Fixing intermittent trackpad behavior, loss of Force Touch, or complete unresponsiveness Installation Note: Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only. Requires full bottom case removal and battery disconnection. Cable routes under internal components near the right speaker and logic board. Connects via a ZIF (Zero Insertion Force) socket—must be aligned carefully and latched gently. Recommended for experienced or certified technicians only.
