New A1989 A1990 Keyboard US Standard Replacement for MacBook Pro 13'' 15''A1990 A1989 Keyboard 2018/2019 Year New A1989 A1990 Keyboard US Standard Replacement for MacBook Pro 13” 15”A1990 A1989 Keyboard 2018/2019 Year New A1989 A1990 Keyboard US Standard Replacement for MacBook Pro 13” 15”A1990 A1989 Keyboard 2018/2019 Year We have Perfect after-sales services We share the latest information on laptop spare parts For all our customers. This is NOT an easy job for someone who has no technical skills with Disassembling or Assembling a laptop, So only purchase this item if you know how to install it. Each Keyboard is tested before shipping and working.
ASUS VG278QR Gaming Monitor 27inch 27 inch Full HD gaming monitor with an ultra-fast 165Hz refresh rate and Adaptive-Sync technology to eliminate screen tearing and choppy frame rates Certified as G-SYNC Compatible, FreeSync Premium technology delivering a seamless, tear-free gaming experience by enabling VRR (variable refresh rate) by default. 0.5ms* response time for smooth gameplay, and ASUS Extreme Low Motion Blur (ELMB) Technology to further reduce ghosting and motion blur GameFast Input Technology minimizes input lag and provides much faster motion delivery from end devices to monitor ASUS-exclusive GamePlus hotkey for in-game enhancements while GameVisual for optimized visuals Supports both Adaptive-Sync with NVIDIA GeForce* graphics cards and FreeSync with AMD Radeon graphics cards *Compatible with NVIDIA GeForce GTX 10 series, GTX 16 series, RTX 20 series and newer graphics cards
The Meetion C235 is an economical wired keyboard and mouse combo featuring a full-size 104-key layout and reliable USB connectivity. Designed for business and office use, it offers comfortable typing, smooth mouse control, and plug-and-play compatibility with laptops and desktops. The Meetion C235 Keyboard & Mouse Combo is a practical and cost-effective solution for everyday office and business needs. With a full-size 104-key keyboard, it provides a familiar and comfortable typing experience, making it perfect for work, study, and daily computer use. The included wired mouse ensures precise and smooth control, while the USB plug-and-play setup makes installation quick and effortless on both laptops and desktop PCs. Full-Size 104-Key Keyboard for comfortable and efficient typing Wired USB Connection for stable, lag-free performance Plug & Play – no drivers required Comfortable Key Layout ideal for office and business work Smooth Wired Mouse Included for accurate control Durable Design suitable for long working hours Compatible with Laptop & Desktop PCs Economical Combo Set perfect for home or office setups Ideal for business offices, schools, home setups, and laptop users who need a reliable keyboard and mouse combo for productivity. Works with most computers and laptops supporting USB.
Genuine-spec touchpad flex cable for MacBook Pro 14″ (Model A2442, 2021, M1 Pro/Max)—essential for restoring full Force Touch functionality, haptic feedback, and precise multi-touch gesture control. Compatible With: MacBook Pro 14-inch (2021, Model A2442) with Apple M1 Pro or M1 Max chip (Model Identifiers: MacBookPro18,3 / MacBookPro18,4). Part Type: Touchpad flex cable only—does not include the trackpad, Taptic Engine, or mounting brackets. This is the OEM-style ribbon cable that connects the trackpad to the logic board. Function: Carries touch input, Force Touch pressure data, and haptic feedback signals—critical for macOS trackpad gestures, Force Click, and Taptic Engine responsiveness. OEM-Quality Build: Matches Apple’s original flex circuit in length, connector pitch, shielding, and bend geometry—ensures reliable signal transmission and durability under repeated use. Common Use Cases: Replacing a damaged, torn, or corroded original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad issues, unresponsiveness, or loss of Force Touch Replacing a damaged, torn, or corroded original flex cable Completing a trackpad replacement when the original cable is unusable Fixing intermittent trackpad issues, unresponsiveness, or loss of Force Touch Installation Note: Requires full bottom case removal and careful routing beneath internal components. Connectors use ZIF (Zero Insertion Force) sockets—must be seated properly without force. Recommended for certified or highly experienced technicians only.
The Stylus Pen is an active capacitive stylus pen designed for smooth and precise writing on all capacitive touchscreens. Featuring a superfine copper nib, palm rejection, and rechargeable battery, it’s perfect for note-taking, drawing, and everyday touchscreen use with iPads, iPhones, tablets, and smartphones. The Superfine Nib Active Capacitive Stylus Pen (Silver) is built for users who want accurate and smooth writing on touchscreens without needing Bluetooth or an app. Its superfine elastic copper tip provides delicate strokes while helping protect your screen from scratches. With palm rejection support, rechargeable battery, and one-click operation, it’s ideal for students, professionals, and creators using iPads, iPhones, and other capacitive touchscreen devices. Superfine Copper Nib for smooth writing and accurate strokes Palm Rejection Technology for comfortable writing experience No Bluetooth / No App Required – one-click operation Rechargeable Battery with up to 10 hours working time Magnetic Cap Design prevents loss and keeps the pen protected Compatible with iOS & All Capacitive Touchscreens Lightweight & Portable ideal for travel, school, and office use Compatible with all capacitive touchscreen devices, including iPad Pro, iPad Mini, iPad Air, and iPhones (11 series and earlier generations), plus most Android tablets and touchscreen phones.
The AOC 27″ 180Hz Gaming Monitor is designed for serious gamers seeking top-tier performance. Its ultra-fast 180Hz refresh rate ensures smooth and fluid visuals, reducing motion blur for a more immersive gaming experience. Firstly with a 27-inch screen, this gaming monitor offers ample space for your games, providing clear and detailed images. The large display enhances your field of view, making every gaming session more engaging and enjoyable. Furthermore the AOC 27″ 180Hz Gaming Monitor features a Full HD resolution, delivering crisp and sharp visuals. Whether you’re playing fast-paced shooters or exploring open-world adventures, every detail will be displayed with precision. Equipped with Adaptive-Sync technology, this monitor eliminates screen tearing and stuttering, ensuring seamless gameplay. You’ll enjoy a more responsive and visually stunning gaming experience, keeping you competitive in every match. The sleek and modern design of the AOC Gaming Monitor complements any gaming setup. Its slim bezels provide a more immersive viewing experience, allowing you to focus entirely on your game. Connectivity is made easy with multiple input options, including HDMI and DisplayPort. You can easily connect your gaming console, PC, or other devices for versatile use. In conclusion, the AOC 27″ 180Hz Gaming Monitor offers outstanding performance, stunning visuals, and a sleek design. Upgrade your gaming setup with this high-performance monitor and experience games like never before. Specifications: Display : 27″ VA Resolution : 1920×1080 FHD Refresh Rate : 180Hz Response Rate : 1ms
WiWU Waterproof Large Capacity Minimalist Backpack Business Laptop Backpack Bags with Multi-Pockets For digital gadgets Minimalist Style Water-resistant material,Polyester Large Capacity Have Stock Size:15.6 inch
Philips Evnia 34M2C5500 34-inch ultrawide gaming monitor delivers immersive and ultra-smooth performance for gaming and multitasking. It focuses on high refresh rate, curved design, and wide QHD clarity for an engaging experience. Additionally, it features a 34-inch Fast VA panel with UltraWide QHD resolution (3440 × 1440). This resolution provides a wider field of view, so it improves both gaming immersion and productivity workflows. Moreover, it supports up to a 180Hz refresh rate with 0.5ms Smart MBR response time. As a result, it delivers very smooth motion and reduces blur in fast-paced gameplay. The monitor uses a 1500R curved design. Therefore, it enhances immersion by wrapping visuals around your natural field of view. In addition, it supports VESA DisplayHDR 400. This improves brightness, contrast, and color depth, so visuals appear more vivid and lifelike. Furthermore, it includes Adaptive Sync and low input lag. These features reduce tearing and improve responsiveness for competitive gaming. It also offers gaming tools such as Smart Crosshair and SmartImage modes. So it helps improve aiming accuracy and visual tuning during gameplay. Philips Evnia 34M2C5500 34-inch ultrawide gaming monitor provides immersive visuals, high-speed performance, and advanced gaming features for serious players. Specifications: 34-inch Fast VA panel with 3440 × 1440 UltraWide QHD resolution 180Hz refresh rate for ultra-smooth gaming 0.5ms Smart MBR response time for reduced motion blur 1500R curved design for immersive viewing DisplayHDR 400 with Adaptive Sync support
BenQ Board Essential RE7504N 75” 4K UHD Interactive Flat Panel is a large interactive display designed for education and business collaboration. It supports touch input, built-in Android system, and 4K resolution for presentations and group work. It features a 75-inch IPS panel with 3840 × 2160 4K UHD resolution. Therefore, it delivers sharp visuals and wide viewing angles. In addition, it supports up to 40-point multi-touch for group interaction. Moreover, it runs Android (EDLA-supported system depending on region). As a result, users can run apps, whiteboard tools, and content directly on the display without a PC. The screen includes anti-glare coating. Therefore, it stays readable in bright rooms. In addition, it supports 4K 60Hz output for smooth visuals. Furthermore, it includes HDMI, USB, LAN, and OPS slot connectivity. As a result, it works with laptops, external PCs, and modular systems. It also includes built-in speakers for basic audio output. Therefore, it supports lessons and meetings without external speakers. Finally, the BenQ RE7504N provides a large interactive 4K workspace for classrooms and business collaboration. Specifications: Display: 75-inch IPS panel with 3840×2160 4K UHD resolution Touch: Up to 40-point multi-touch support System: Android-based interactive platform (EDLA support depending on region) Connectivity: HDMI, USB, LAN, and OPS slot support Display: Anti-glare screen with 4K 60Hz output for smooth visuals
LG B2B Monitor 19 inch 19MB15T is designed for business workspaces, POS systems, and daily office use. It features a 19-inch IPS display with touch screen support for simple and responsive operation. Additionally, it uses a compact design that fits small desks and retail counters. Therefore, it works well for offices, shops, and service environments. The LG B2B Monitor 19 inch 19MB15T delivers 1280 × 1024 resolution with a 5:4 aspect ratio and IPS panel technology. Moreover, it includes 250 cd/m² brightness, 14ms response time, and 178° viewing angles for clear display quality. It supports D-Sub input and USB connection for touch functionality. In addition, it includes Reader Mode and built-in power for easier daily use. Furthermore, the monitor supports tilt adjustment from 15° to 68° and VESA 75 × 75 wall mounting for flexible setup. As a result, users can improve comfort and workspace organization. It also helps reduce cable clutter with its built-in power design. Specifications: 19-inch IPS touch screen display 1280 × 1024 HD resolution with 5:4 aspect ratio 250 cd/m² brightness with 178° viewing angle D-Sub input with USB touch connection Tilt adjustment and VESA 75 × 75 mount support
Huawei IdeaHub B2 IHB2-65PU 65-inch conferencing display delivers an advanced all-in-one solution for modern meeting rooms. It combines a 4K UHD touchscreen with smart collaboration tools to enhance productivity and communication. As a result, teams can present, write, and share ideas seamlessly across multiple platforms. Moreover, the zero-gap laminated IPS panel ensures sharp visuals and precise touch response. The infrared multi-touch system supports up to 20 touch points, while low latency writing creates a smooth and natural pen experience. In addition, smart handwriting recognition and annotation features improve brainstorming and note-taking efficiency. Furthermore, the device includes dual WiFi connectivity and wide compatibility with Android, Windows, iOS, and macOS systems. The built-in speakers deliver clear audio, and the multiple front and rear ports provide flexible connectivity for various devices. Therefore, it is ideal for presentations, video conferencing, and collaborative workspaces. Huawei IdeaHub B2 65-inch display offers powerful performance, seamless connectivity, and intelligent collaboration features for professional environments. Specifications: 65-inch 4K UHD (3840 × 2160) IPS display with zero-gap laminated glass Infrared multi-touch supporting up to 20 touch points Low latency writing (25 ms) with smart handwriting recognition Dual WiFi (2.4GHz and 5GHz) with multi-OS compatibility Multiple ports including HDMI, USB, Type-C, RJ45, and OPS support
The LG 32GN600-B 32″ Monitor delivers clear and smooth visuals for gaming and everyday use.It features a 32-inch QHD display with sharp details and vibrant colors. Moreover, its high refresh rate ensures fluid motion in fast-paced games and videos. This monitor uses a VA panel for strong contrast and wide viewing angles. Additionally, the fast response time reduces blur and ghosting during competitive gaming. The anti-glare screen helps minimize reflections in bright environments. HDMI and DisplayPort inputs allow easy connection to PCs, laptops, and gaming consoles. Furthermore, tilt adjustment helps you find a comfortable viewing angle for long sessions. Low blue light and flicker-free technologies reduce eye strain during extended use. This display is ideal for gamers, streamers, and home users alike. Therefore, it supports competitive gaming, media streaming, and productivity tasks. Finally, it combines sharp visuals, fast performance, and comfort features for daily use. Specifications: Screen Size: 32″ QHD VA panel Resolution: 2560 × 1440 Refresh Rate: High for smooth motion Ports: HDMI + DisplayPort Features: Anti-glare, low blue light, flicker-free eye care
HP P24q G4 QHD Height Adjust Monitor Are you seeking a monitor that can elevate your workstation’s comfort and productivity? Meet the HP P24q G4 QHD Height Adjust Monitor, a versatile solution designed to meet your needs. One of the key features of the HP P24q G4 is its Quad High Definition (QHD) display. With four times the resolution of standard HD, you’ll experience stunning clarity and detail in your work and entertainment. The 24-inch screen size strikes a perfect balance, providing enough space for multitasking without taking up excessive desk space. It’s a comfortable and functional addition to any workspace. Adjusting the monitor to your preferred height is effortless, thanks to its height-adjustable stand. This allows you to tailor your viewing angle for maximum comfort, reducing strain during extended work hours. Setting up the P24q G4 is a straightforward process. Connect it to your PC or laptop through standard ports, and you’re ready to enhance your workspace. Say goodbye to complicated installation procedures. The monitor’s modern design not only complements your workspace but also adds a touch of sophistication. It blends seamlessly with your existing setup, enhancing the overall aesthetics. Whether you’re a professional or a casual user, the HP P24q G4 offers fantastic value for your investment. Its affordable price point ensures that you can enjoy top-notch features without breaking the bank. Specifications: 60.45 cm (23.8″) QHD (2560 x 1440) Asset control; Language selection; On-screen controls; Pivot rotation; Plug and Play; User controls; Anti-glare Response time: 5ms GtG (with overdrive) HDMI; VGA
LG 24 inch 75Hz FHD IPS Monitor 24MP400-B is designed for everyday work, study, and casual use. It features a 23.8-inch Full HD IPS display with wide viewing angles. Additionally, it supports AMD FreeSync for smoother visuals. Therefore, it delivers stable performance for office tasks and light entertainment. The LG 24MP400-B offers 1920 × 1080 resolution with a 75Hz refresh rate. Moreover, it includes a 5ms response time and 250 nits brightness for clear image quality. It also provides 1000:1 contrast ratio and 178° viewing angles for consistent visuals. In addition, it supports HDMI and VGA inputs for flexible connectivity. Furthermore, it includes Reader Mode, Flicker Safe, Black Stabilizer, and Dynamic Action Sync. As a result, users get better eye comfort and improved visibility in dark scenes. It also supports VESA mounting for space-saving setups and flexible desk arrangements. manufacturer link Specifications: 23.8-inch Full HD (1920 × 1080) IPS display 75Hz refresh rate with AMD FreeSync support 5ms response time with 250 nits brightness HDMI and VGA connectivity options Flicker Safe and Reader Mode for eye comfort
AOC 25G40E 24.5-inch 180Hz gaming monitor delivers fast and smooth performance for competitive gaming. It focuses on high refresh rate speed, sharp clarity, and low response time for responsive gameplay. Additionally, it features a 24.5-inch Fast IPS panel with Full HD resolution (1920 × 1080). This panel provides clear visuals and wide viewing angles, so it improves accuracy and consistency during gaming and daily use. Moreover, it supports a 180Hz refresh rate with 0.5ms MPRT and 1ms GtG response time. As a result, it delivers extremely smooth motion and reduces blur in fast-paced gameplay. The monitor includes Adaptive-Sync technology. Therefore, it helps eliminate screen tearing and stuttering for stable and fluid performance. In addition, it offers HDR10 support and high color coverage. This improves contrast and makes visuals more vivid during supported games and media. Furthermore, it includes gaming tools such as crosshair overlays, FPS/RTS modes, and low input lag features. These tools help improve precision and reaction speed in competitive gameplay. AOC 25G40E 24.5-inch 180Hz gaming monitor provides fast response, smooth visuals, and essential esports features for competitive and casual gamers. Check out other option here! Specifications: 24.5-inch Fast IPS panel with Full HD 1920 × 1080 resolution 180Hz refresh rate for ultra-smooth gameplay 0.5ms MPRT and 1ms GtG response time for fast action Adaptive Sync for tear-free and stable visuals HDR10 support with vibrant color performance
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
The Geek 3-in-1 Wireless Charger allows you to charge your smartphone, smartwatch, and wireless earbuds simultaneously. It supports fast wireless charging, features a foldable magnetic stand, and is designed for everyday convenience at home, office, or travel. The Geek 3-in-1 Wireless Charger is a compact charging station designed to power multiple devices at once. It includes dedicated charging areas for smartphones, earbuds, and compatible smartwatches, eliminating cable clutter. With fast charging support and a foldable design, it is ideal for both desktop and bedside use. ⚡ 3-in-1 Charging: Charges phone, earbuds, and smartwatch simultaneously. 📱 Fast Wireless Charging: Supports 10W/15W output for compatible smartphones. 🧲 Magnetic Foldable Stand: Allows vertical or horizontal phone placement; easy to travel with. 🛡️ Smart Protection: Built-in safety features prevent overheating, overcharging, and short circuits. 🧊 Compact & Minimal Design: Ideal for home, office, bedside tables, and travel. 🔌 USB-C Input: Modern, reliable charging interface.
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.
The Samsung 65″ The Frame LS03F 4K QLED Art Mode Smart TV QA65LS03FAUXTW uses a 65-inch LCD panel with 3840 × 2160 4K resolution. It is designed for both regular TV viewing and wall-mounted display use with an art display mode. The panel uses Quantum Dot (QLED layer) technology to improve color output. As a result, it produces more accurate and wider color reproduction compared to standard LCD panels. In addition, it supports 4K upscaling for lower-resolution content. The TV supports HDR formats for compatible content. This increases contrast between bright and dark areas and improves visible detail. Also, motion processing reduces blur during fast-moving scenes such as sports and action content. Samsung equips this model with Tizen OS. Therefore, users access streaming apps, SmartThings integration, and smart features through a unified interface. It also supports Wi-Fi and Bluetooth for wireless device connections. Connectivity includes HDMI ports, USB ports, Ethernet LAN, and optical audio output. It supports external devices such as gaming consoles and sound systems. This model includes Art Mode, which displays images or artwork when the TV is not in active use. Specifications: 65-inch 4K UHD LCD panel (3840 × 2160 resolution) Quantum Dot (QLED layer) color enhancement 4K upscaling for lower-resolution content HDR support for compatible content Tizen OS with HDMI, USB, Wi-Fi, Bluetooth, Ethernet connectivity
Are you ready to take your gaming to the next level? Look no further than the Samsung Odyssey G5 32″ Curved Gaming Monitor. This cutting-edge monitor is designed to deliver an immersive gaming experience like no other. Featuring a stunning 32-inch curved display, the Samsung Odyssey G5 brings your games to life with vibrant colors and crystal-clear visuals. Whether you’re exploring virtual worlds or engaging in epic battles, every detail will be rendered with precision and clarity. With a lightning-fast 165Hz refresh rate, this monitor ensures buttery-smooth gameplay with no lag or stuttering. Say goodbye to screen tearing and motion blur, and hello to an ultra-responsive gaming experience. Equipped with AMD FreeSync technology, the Samsung Odyssey G5 syncs the monitor’s refresh rate with your graphics card, eliminating screen tearing and providing silky-smooth gameplay. Transitioning to its design, the Odyssey G5 features a sleek and stylish aesthetic that will complement any gaming setup. Its slim bezels and curved screen create an immersive viewing experience that pulls you into the action. Connectivity is key for gamers, and the Samsung Odyssey G5 doesn’t disappoint. With HDMI and DisplayPort inputs, you can easily connect your gaming PC, console, or other devices for maximum versatility. Furthermore, the Odyssey G5 comes with a range of gaming-centric features, including customizable gaming modes, black equalizer technology, and low input lag. Whether you’re playing fast-paced shooters or strategy games, you can tailor your gaming experience to suit your preferences. In summary, the Samsung Odyssey G5 32″ Curved Gaming Monitor is the ultimate choice for gamers who demand performance, immersion, and style. Upgrade your gaming setup today and experience gaming like never before. Specifications: Display : 32″ VA Curvature : 1000R Resolution : 2,560 x 1,440 Refresh Rate : 165Hz Response Rate : 1ms
