The Lenovo Legion 24″ 320Hz FHD Gaming Monitor is designed for competitive gamers seeking ultra-smooth visuals. First, its 1920 × 1080 Full HD resolution delivers sharp and clear images for fast-paced games. The 320Hz refresh rate ensures fluid motion and reduced screen tearing. In addition, the 0.5ms response time minimizes ghosting and motion blur. Moreover, adaptive sync technology enhances smooth gameplay across various titles. The sleek slim-bezel design fits seamlessly into any gaming setup. Furthermore, its ergonomic stand allows height and tilt adjustments for comfortable long gaming sessions. Finally, the Lenovo Legion 24″ 320Hz FHD Gaming Monitor combines high refresh performance, fast response, and adaptive sync in one competitive display. Overall, it is ideal for esports players and serious gaming enthusiasts. Specifications: 24″ Full HD 1920 × 1080 resolution 320Hz ultra-fast refresh rate 0.5ms response time for minimal ghosting Adaptive sync for smooth gameplay Ergonomic stand with height and tilt adjustment
GOYIY Storm Outdoor Fan Camping Fan, Blowing 30 Feet (10 Meters) Far Big Cold Wind, Powered By 20000mAh Battery With Hook, LED Lantern For Night Light, Phone Charger About this item 【Whisper-Quiet Operation】The GOYIY cordless rechargeable fan make you experience tranquility with ultra-low noise levels, measuring below 15dB on its lowest setting, ensuring a peaceful environment conducive to relaxation or sleep. 【Turbocharged Cooling Technology】Utilizing advanced turbo compression technology, this storm fan delivers a powerful breeze even from a distance of up to 10 meters, with four adjustable speeds to suit your preferences. 【 High-Capacity Battery】Equipped with a 20000mAh large-capacity battery, this outdoor fan not only keeps you cool for extended periods but also serves as a portable power bank, capable of charging your phone or other devices on the go. 【Versatile Hanging / Standing Design/Remote Control 】Featuring a convenient hook design and 90˚ adjustable angle, this camp fan offers dual functionality, allowing you to hang it wherever needed. Additionally, its stable base ensures steady placement on any surface. Enjoy the convenience of controlling the fan from a distance with the included remote! 【Night Light Mode and Auto Shutdown Timer】Enhance your environment with the night light mode; this turbo fan offers two adjustable brightness levels. The lowest setting provides over 100 hours of illumination, perfect for creating a cozy atmosphere during nighttime activities. With the built-in timer feature, you can set the fan to automatically shut down after a specified period, providing convenience and energy savings. 【Durable ABS Construction】Crafted from premium ABS material, this fan is durable, shock-resistant, and life waterproof to withstand daily use, making it suitable for various indoor and outdoor settings.
The ViewSonic VA2405-H 24″ FHD 75Hz Monitor delivers clear and smooth visuals for daily work and home use. Its Full HD resolution shows sharp text and clean image details. The 24-inch screen offers a balanced size for comfort and productivity. This makes it ideal for office desks and study spaces. Moreover, the ViewSonic VA2405-H 24″ FHD 75Hz Monitor features a smooth 75 Hz refresh rate. This makes scrolling softer and screen motion more natural. Video playback looks cleaner with less blur. As a result, long viewing sessions feel more comfortable. In addition, the monitor uses an IPS panel for wide viewing angles. Colors stay accurate even when viewed from the side. This helps during meetings, teamwork, and shared viewing. The image remains bright and clear from many angles. Furthermore, the ViewSonic VA2405-H 24″ FHD 75Hz Monitor includes eye comfort features for daily protection. The low blue light mode helps reduce eye strain. The flicker-free design supports longer use without discomfort. These features improve viewing comfort throughout the day. Also, the monitor supports modern connection options for easy setup. It includes HDMI and VGA for wide device compatibility. You can connect laptops, desktops, and media devices with ease. Switching between sources becomes fast and simple. In addition, the slim bezel design gives a clean and modern look. It fits well in both home and office spaces. The stand supports tilt adjustment for basic viewing comfort. Wall mounting is also supported for flexible desk setups. Moreover, the display works well for documents, web browsing, and video watching. Text appears clear and easy to read. Daily tasks feel more organized and productive. The monitor blends smoothly into any workspace style. Overall, the ViewSonic VA2405-H 24″ FHD 75Hz Monitor delivers reliable performance, clean visuals, and daily comfort. It supports work, study, and entertainment with ease. This monitor is a smart choice for users who want smooth and simple screen performance. Specifications: Display : 24″ VA Resolution : FHD 1920 x 1080 Refresh Rate : 75Hz Response Time : 4ms
27-inch UHD 4K IPS display DCI-P3 95% (Typ.) VESA DisplayHDR™ 400 AMD FreeSync™ Dynamic Action Sync, Black Stabilizer Tilt, Height and Pivot Adjustable Stand DISPLAY Size (Inch) 27 Size (cm) 68.4 Resolution 3840 x 2160 Panel Type IPS Aspect Ratio 16:9 Pixel Pitch 0.1554 x 0.1554 Brightness (Min.) 320 cd/m² Brightness (Typ.) 400 cd/m² Color Gamut (Typ.) DCI-P3 95% (CIE1976) Color Depth (Number of Colors) 1.07B Contrast Ratio (Min.) 1000:1 Contrast Ratio (Typ.) 1200:1 Response Time 5ms (GtG at Faster) Viewing Angle (CR≥10) 178º(R/L), 178º(U/D) Surface Treatment Anti-Glare HDR HDR 10 Yes VESA DisplayHDR™ DisplayHDR™ 400 HDR Effect Yes COLOR & CALIBRATION Wide Color Gamut Yes Color Calibrated Yes FEATURES Flicker safe Yes Reader Mode Yes Color Weakness Yes Super Resolution+ Yes RADEON FreeSync™ Yes Black Stabilizer Yes Dynamic Action Sync Yes Smart Energy Saving Yes SOFTWARE APPLICATION Dual Controller Yes OnScreen Control (LG Screen Manager) Yes CONNECTIVITY HDMI Yes (2ea) HDMI (Max. Resolution at Hz) 3840×2160@60Hz DisplayPort Yes(1ea) DP Version 1.4 DP (Max. Resolution at Hz) 3840×2160@60Hz Headphone Out Yes POWER Type External Power(Adapter) AC Input 100~240V (50/60Hz) Power Consumption (Typ.) 40W Power Consumption (Max.) 44W Power Consumption (Energy Star) 24W Power Consumption (Sleep Mode) 0.5W Power Consumption (DC Off) Less than 0.3W MECHANICAL Display Position Adjustments Tilt/Height/Pivot Wall Mountable 100 x 100 mm DIMENSIONS/WEIGHT Dimension with Stand (W x H x D) 613.5 x 569.3 x 239.3 mm (Up) 613.5 x 459.3 x 239.3 mm (Down) Dimension without Stand (W x H x D) 613.5 x 363.5 x 45.4 mm Dimension in Shiping (W x H x D) 694 x 496 x 212 mm Weight with Stand 5.6kg Weight without Stand 3.8kg Weight in Shipping 9kg 3 Years Warranty manufacturer link
Genuine-spec touchpad flex cable for MacBook Air 13.6″ (Model A2681, 2022, M2)—essential for restoring full Force Touch functionality, haptic feedback, and multi-touch gesture support when replacing or repairing the trackpad assembly. Compatible With: MacBook Air 13.6-inch (2022, Model A2681) with Apple M2 chip (all colors: Silver, Space Gray, Starlight, Midnight). Part Type: Touchpad flex cable only—does not include the trackpad, Taptic Engine, or mounting hardware. This is the ribbon cable assembly that connects the trackpad to the logic board. Function: Transmits touch input, Force Touch pressure data, and haptic feedback signals between the trackpad and logic board—critical for macOS gesture recognition and Taptic Engine operation. OEM-Quality Construction: Matches Apple’s original flex circuit in length, connector type, shielding, and bend radius—ensures reliable signal integrity and long-term durability. Common Use Cases: Replacing a torn, frayed, or damaged original flex cable Completing a trackpad replacement when the original cable was compromised Repairing unresponsive or erratic trackpad behavior caused by cable failure Replacing a torn, frayed, or damaged original flex cable Completing a trackpad replacement when the original cable was compromised Repairing unresponsive or erratic trackpad behavior caused by cable failure Installation Note: Requires full bottom case disassembly and careful routing under the battery and logic board. Connectors use ZIF (Zero Insertion Force) sockets—do not force. Recommended for experienced or certified technicians only.
WiWU Skin Zero Sleeve – Ultra-thin Lycra laptop case with faux-fur lining and scratch-resistant protection, available in multiple sizes.Sleek, featherlight, and travel-ready for everyday carry without the bulk. Model: WiWU Skin Zero Sleeve Sizes: Available for 13″, 14″, and 16″ laptops Material: Eco-friendly water-resistant Lycra exterior Interior: Faux-fur lining to protect against scratches and minor bumps Design: Ultra-slim profile that fits easily into backpacks or briefcases Weight: Approximately 280–330 g, depending on size Colors: Black, Gray, Purple, Burgundy Closure: Secure magnetic or zipper closure (varies by version) Features: Lightweight, minimal branding, soft internal cushioning, stylish and durable build
The Dell OptiPlex 3040 Micro delivers dependable business performance in a compact, energy-efficient design. Featuring an Intel Core i5 6th Gen processor, 8GB DDR3L RAM, and SSD storage options, it is built for smooth multitasking, fast startups, and reliable operation in professional environments.
Xprinter XP-80T 80mm Thermal Receipt Printer Press to download driver: XPrinter Driver Setup V7.77
BATTERY DELL WDX0R for Dell Inspiron 13 15 5000 7000 Series 5570 7579 7378 5567 7573 5565 5379 5378 Latitude 3490 3590 3340 3400 3390 3500 3190 Vostro 5468 5568 P69G 3CRH3 11.4V 42Wh About this item 【Specification】Dell laptop Replacement Battery Type: Li-ion; Voltage: 11.4V; Capacity: 42WH; Cells:3-Cell. (It is not the same as the 4-cell 33YDH 56Wh battery ) !!! Please make sure to choose the battery according to the shape of the original one, as the batteries for different laptop models may vary 【Stability】WDXOR WDX0R Laptop Battery Replacement battery for Dell offers 600+ recharge cycles over life of battery 【COMPATIBLE MODEL】(Check description below for more models) Dell Laptop Battery WDX0R P69G001 3CRH3 FC92N T2JX4 C4HCW Y3F7Y Dell Battery 3-cell 42WH 11.4v Li-on WDX0R Dell Battery Dell Inspiron 15 5570 Battery Inspiron 13-7378 battery Inspiron 15-7579 battery Dell Inspiron 5379 Battery Dell Inspiron 5567 Battery Dell Inspiron 13 7000 Battery Dell Inspiron p69g Battery Dell Inspiron 7573 Battery Dell Latitude 3340 3590 Battery Dell Vostro 5568 5468 Series Battery
Are you in search of the ultimate gaming monitor to enhance your gaming experience? Look no further than the MSI G274QPX 27″ 240Hz Gaming Monitor. Packed with advanced features, this monitor delivers smooth and immersive gameplay. Transitioning to its core, the MSI G274QPX boasts a lightning-fast 240Hz refresh rate, ensuring ultra-smooth motion and fluid gameplay. Whether you’re racing through virtual worlds or engaging in intense firefights, every moment is captured with precision and clarity. Its spacious 27-inch screen provides ample room for immersive gaming sessions, allowing you to see more of the action without compromising on detail. Plus, with its Full HD resolution, you’ll enjoy crisp and sharp visuals that bring your games to life. Furthermore, the MSI G274QPX features Adaptive-Sync technology, reducing screen tearing and stuttering for a seamless gaming experience. Say goodbye to distractions and hello to uninterrupted gameplay. Connectivity is key, and this monitor offers a range of ports including HDMI and DisplayPort, ensuring compatibility with your favorite gaming devices. Whether you’re connecting your PC, console, or other peripherals, you’ll experience hassle-free connectivity. Transitioning to its design, the MSI G274QPX sports a sleek and modern aesthetic that adds a touch of style to any gaming setup. Its slim bezels maximize screen real estate, allowing you to immerse yourself fully in the game without distractions. In conclusion, the MSI G274QPX 27″ 240Hz Gaming Monitor is the perfect choice for gamers seeking unparalleled performance and immersion. With its lightning-fast refresh rate, crisp visuals, and seamless connectivity, it’s time to elevate your gaming experience to new heights. Specifications: Display : 27″ Rapid IPS Resolution : 2560×1440 (WQHD) Refresh Rate : 240Hz Response Rate : 1ms GtG
HomBreez 10″ Desk Air Circulator Fan with Remote, 90° +90° Oscillating Table Fan, Quiet Portable Battery Powered Fan for Bedroom, Home, Office, 12 Speeds, 12H Timer About this item Powerful Air Circulation – This air circulation fan provides cool air throughout your entire room, ensuring every corner enjoys refreshing airflow and enhancing your home comfort. Long-lasting Rechargeable Battery – The oscillating fan features a built-in high-capacity battery, lasting up to 12 hours on the minimum wind speed and 3 hours on the maximum wind speed, allowing you to enjoy extended cooling without frequent recharging. Ultra-Quiet Operation – This desk fan utilizes advanced noise reduction technology, operating at less than 20 dB at the minimum wind speed and below 48 dB at the maximum wind speed, ensuring a peaceful environment for rest and work. Full Range Oscillation – Capable of 90° left and right, and 90° up and down oscillation, it evenly distributes cool air throughout the room, covering a wider area. Smart Remote Control – The included remote allows you to effortlessly adjust 12-speed settings and set a timer for up to 12 hours, giving you convenient control without needing to get up.
Used, original 35 W USB-C charger for Mac — reliable Apple power adapter (dual USB-C) for charging your Mac and other devices. This is an authentic Apple 35 W USB-C power adapter (dual-port) — used but tested. It’s built to charge MacBooks, iPhones, iPads, and other USB-C devices. Though lower wattage than larger Mac adapters, it works well for light use or supplemental charging. Features & Behavior Dual USB-C ports: can charge two devices simultaneously Intelligent power distribution: if both ports are used, the output splits evenly (~17.5 W each) USB Power Delivery support across standard profiles (5V, 9V, 15V, 20V) Accepts input 100-240V AC, so usable worldwide (with correct plug) Compact form factor in one variant, or standard “duckhead” plug style in another Specifications Strengths & Limitations Pros Authentic Apple unit — safer and more reliable than generic chargers Dual ports give flexibility — charge phone + Mac concurrently Portable and suitable for travel (universal voltage) Cons 35 W is low for MacBook Pro under load — might not maintain charging during heavy use When both ports used, power is halved (~17.5 W each) Used condition may include wear, scuffs, or reduced efficiency
Professional battery testing flex cable for MacBook Pro 15″ (Model A1990, 2018–2019)—used by technicians to bypass a faulty battery or diagnose power-on issues without permanent battery removal. Enables safe logic board testing and troubleshooting. This is not a replacement battery cable—it’s a diagnostic tool used in repair workflows. It mimics the battery’s presence by providing the necessary SMBus signal and power-enable lines to the logic board, allowing the MacBook to: Power on without a battery installed Test logic board functionality independently Diagnose whether a no-power issue is caused by the battery or logic board MacBook Pro 15″ (2018–2019) Model: A1990 Model Identifiers: MacBookPro15,2 Chip: Intel Core i7/i9 Model: A1990 Model Identifiers: MacBookPro15,2 Chip: Intel Core i7/i9 ⚠️ Not compatible with A1707 (2016–2017), A2159 (16″), or any M1/M2 models. Simulates battery presence via correct SMBus resistance and ID signals Includes power-enable circuitry matching Apple’s safety protocol Pre-terminated with OEM-style connector for A1990 logic board Allows safe bench testing of logic boards during repair Diagnosing “no power, no fan spin, no display” issues Verifying if a logic board powers on without risking a shorted battery Testing after liquid damage or DC-in board replacement Avoiding unnecessary battery replacements during diagnostics Not for permanent installation—intended for temporary diagnostic use only Does not charge or store power—requires connected USB-C power adapter to operate Must be used with a known-good power adapter (87W recommended) Not a consumer part—designed for professional repair shops and technicians
The Samsung Crystal UHD U8000F 43″ 4K Tizen OS Smart TV UA43U8000FUXTW uses a 43-inch LCD panel with 3840 × 2160 resolution. It delivers standard 4K output for everyday viewing, streaming, and console use in smaller rooms. Samsung uses the Crystal Processor 4K for image processing and upscaling. As a result, lower-resolution content converts closer to 4K quality on the display. In addition, the TV supports HDR10 and HDR10+, which improve contrast between bright and dark areas for compatible content. The display runs at a 60 Hz refresh rate. Also, Motion Xcelerator reduces blur during fast motion scenes such as sports and action content. Samsung equips the TV with Tizen OS. Therefore, users access streaming apps, SmartThings integration, and smart features through a responsive interface. Connectivity includes HDMI ports, USB ports, Wi-Fi, Bluetooth, Ethernet LAN, and optical audio output. In addition, the TV supports ALLM for basic console gaming responsiveness. This model focuses on 4K resolution, standard HDR performance, and essential smart TV features without advanced gaming or local dimming technology. Specifications: 43-inch LCD panel with 3840 × 2160 4K UHD resolution Crystal Processor 4K with upscaling support HDR10 and HDR10+ compatibility 60 Hz refresh rate with Motion Xcelerator Tizen OS with HDMI, USB, Wi-Fi, Bluetooth, Ethernet connectivity
The MSI MAG 274QRF QD E2 Gaming Monitor is designed to take your gaming to the next level. With its 27-inch QHD display, you’ll enjoy crystal-clear visuals and vibrant colors that bring your games to life. This monitor features Quantum Dot technology, which enhances color accuracy and brightness. The MSI MAG 274QRF QD E2 delivers a rich and immersive visual experience. Thanks to its 165Hz refresh rate and 1ms response time, the MSI MAG Gaming Monitor ensures smooth and lag-free gameplay. You’ll experience every movement with precision, giving you a competitive edge in any game. The monitor supports NVIDIA G-SYNC technology, which synchronizes the monitor’s refresh rate with your graphics card. This eliminates screen tearing and stuttering, providing a seamless and fluid gaming experience. Designed for comfort during long gaming sessions, the MSI MAG 274QRF QD E2 features an ergonomic stand with adjustable height, tilt, and swivel. You can easily customize the monitor’s position to suit your preferred viewing angle. Connectivity is made easy with multiple ports, including DisplayPort, HDMI, and USB. This ensures compatibility with a wide range of gaming systems and peripherals, so you can set up your gaming station just the way you like it. In conclusion, the MSI MAG 274QRF QD E2 Gaming Monitor combines stunning visuals, fast performance, and ergonomic design for an unparalleled gaming experience. Upgrade to this monitor and immerse yourself in the world of gaming like never before. Specifications: Display : 27″ Rapid IPS Screen : 2560 x 1440 (WQHD) Refresh Rate : 180Hz Response Time : 1ms
The TeamGroup CX2 1TB SSD is a reliable 2.5-inch SATA III solid-state drive designed to upgrade laptops and desktops with faster boot times, smoother performance, and quiet operation. Using 3D NAND flash, it delivers consistent speed and improved durability compared to traditional hard drives. ⚡ SATA III Performance: Delivers fast everyday speeds for system boot, app loading, and file transfers compared to HDDs. 💾 1TB Capacity: Ample storage for OS, software, games, and large media files. 🧠 3D NAND Flash: Improves stability, efficiency, and lifespan versus older NAND types. 🔇 Silent & Shock-Resistant: No moving parts, making it quiet and more durable for laptops and mobile use. 🌡️ Low Power Consumption: Helps extend laptop battery life and reduces heat. 🛠️ Easy Upgrade: Standard 2.5″ 7mm design fits most SATA laptops and desktops.
WiWU Minimalist Laptop Bag Pro – Premium water-resistant case with faux-fur padded laptop sleeve and organizer pocket.Perfect blend of style, comfort, and full device protection in both 14″ and 15.6″ sizes. Model: Minimalist Laptop Bag Pro Material: Durable water-resistant polyester Laptop Sizes: Two versions available — fits up to 14″ or 15.6″ laptops Protection: Faux-fur lined padded compartment with corner protection and shock absorption Compartments: Main padded laptop compartment Front organizer section for cables, phone, mouse, and documents Compartments: Main padded laptop compartment Front organizer section for cables, phone, mouse, and documents Carry Options: Retractable waterproof TPU handle Adjustable shoulder strap Luggage strap on the back for trolley use Carry Options: Retractable waterproof TPU handle Adjustable shoulder strap Luggage strap on the back for trolley use Hardware: Heavy-duty zippers (YKK), soft internal lining Weight: Approx. 703 g (14″), 884 g (15.6″) Dimensions: 14″: 36 × 25.5 × 8.5 cm 15.6″: 42.5 × 30 × 10 cm Dimensions: 14″: 36 × 25.5 × 8.5 cm 15.6″: 42.5 × 30 × 10 cm Colors: Black, Gray Usage: Ideal for daily commuting, business, university, or travel
HyperX Pulsefire Core (4P4F8AA) – RGB gaming mouse with PixArt sensor, 6,200 DPI, and 7 programmable buttons.Lightweight, ergonomic design perfect for gamers seeking precision and durability. Model: HyperX Pulsefire Core (4P4F8AA) Sensor Type: PixArt PAW3327 Optical Sensor DPI Range: 800 – 6,200 DPI (adjustable in software) Polling Rate: 1000 Hz Tracking Speed: Up to 220 IPS Acceleration: 30G Buttons: 7 programmable buttons Switch Type: Durable switches rated for up to 20 million clicks Lighting: Customizable RGB lighting (logo zone) Grip Style: Palm or claw grip Design: Ergonomic, right-handed shape with textured side grips Weight: Approx. 87g (without cable) Cable Length: 1.8 meters (braided USB cable) Software Support: HyperX NGENUITY for DPI, RGB, and button customization Compatibility: Windows 10, 8.1, 8, 7
Are you in search of the ultimate gaming monitor for an immersive experience? Look no further than the BenQ Mobiuz 27″ 4K 144Hz Gaming Monitor. With its stunning display and advanced features, it’s a game-changer. Firstly, let’s talk about the visual brilliance. This monitor boasts a 4K resolution, delivering crisp and clear images that bring games to life. Whether you’re exploring vast landscapes or engaging in intense firefights, every detail is rendered with precision. The 144Hz refresh rate ensures buttery-smooth gameplay, eliminating motion blur and ghosting for a seamless experience. Say goodbye to lag and hello to responsiveness like never before. Experience true-to-life colors with the monitor’s HDRi technology. It enhances contrast and clarity, making colors pop with vibrancy. Get ready to dive into games with stunning visuals that rival real life. Immerse yourself in the action with the monitor’s integrated speakers. With rich, immersive sound, you’ll feel like you’re right in the middle of the game. Say goodbye to external speakers cluttering your desk. Enhance your gaming experience further with customizable features. From adjustable height and tilt to built-in eye-care technology, this monitor is designed with the gamer in mind. Stay comfortable during extended gaming sessions without sacrificing performance. In conclusion, the BenQ Mobiuz 27″ 4K 144Hz Gaming Monitor is a powerhouse that takes your gaming to the next level. With its stunning visuals, smooth gameplay, and ergonomic design, it’s a must-have for any serious gamer. Upgrade your setup today and elevate your gaming experience. Specifications: Display : 27″ IPS Resolution : 4K(3840×2160) Refresh Rate : 144hz Response Rate : 1 ms
Aoc Agon 24-inch WQHD 165Hz Gaming Monitor Product Details Size: 23.8 inches. Panel Type: TN (16.7 Million Colours with 170/160 º viewing angles). Resolution: 2K / WQHD (2560x1440p). Refresh Rate: 165Hz. Respomse Time: 1 ms (GTG). Aspect Ratio: 16:9. Sync Technology: Nvidia G-Sync. Brightness: 350 cd/m2. Contrast Ratio: Static: 1000:1, Dynamic: 50M:1 Anti-Glare 3H hard coating with an Ultra Narrow bezel. Adjustable Height within a 13cm range. Tilt Adjustment: -3.5° ~ +21.5°. Swivel: -20° ~ +20°. Pivots up to 90°. VESA Wall Mounting : 100x100mm. (x2) 2W built-in speakers with microphone. Ports: (x1) HDMI 1.4 (x1) DisplayPort 1.2 (x4) USB-A 3.0 (x1) USB-B (x1) 3.5mm audio jack Dimensions (incl base): 55.5 x 21.3 x 49 cm. Lowblue Light mode: Protection from eye strain without sacrificing color composition. Specifications: Aoc Agon 24-inch WQHD 165Hz Gaming Monitor Size: 23.8 inches. Panel Type: TN (16.7 Million Colours with 170/160 º viewing angles). Resolution: 2K / WQHD (2560x1440p). Refresh Rate: 165Hz.
