Are you ready to take your gaming to the next level? Look no further than the Asus VG279Q3A 27″ 180Hz Gaming Monitor. With its advanced features and cutting-edge technology, this monitor is designed to deliver an immersive gaming experience like no other. Firstly, let’s talk about the impressive display. With a 27-inch Full HD panel, you’ll enjoy crisp, clear visuals with vibrant colors and sharp details. Whether you’re exploring vast open worlds or engaging in intense battles, every moment will come to life on this stunning screen. Moreover, the 180Hz refresh rate ensures smooth and fluid gameplay, allowing you to react quickly to every movement with precision and accuracy. Say goodbye to motion blur and screen tearing, and hello to seamless gaming sessions that keep you on the edge of your seat. In addition, the Asus VG279Q3A features Adaptive-Sync technology, which eliminates stuttering and tearing for a smoother gaming experience. Whether you’re playing fast-paced shooters or immersive RPGs, you’ll enjoy tear-free gameplay without any distractions. In conclusion, if you’re looking for a gaming monitor that delivers exceptional performance and immersion, the Asus VG279Q3A 27″ 180Hz Gaming Monitor is the perfect choice. Immerse yourself in stunning visuals, fluid gameplay, and unparalleled gaming excellence. Specifications: Display : 27″ IPS Resolution : 1920×1080 Refresh Rate : 180Hz Response Rate : 1ms
The MSI G32C4X 32″ Monitor delivers ultra-smooth and immersive visuals for gaming and entertainment.It features a 32-inch Full HD curved display that enhances immersion and provides a wide field of view. Moreover, its 250Hz refresh rate ensures extremely smooth motion during fast-paced games. This monitor uses a VA panel for strong contrast and deep colors. Additionally, the fast response time reduces blur and ghosting for competitive gaming. The anti-glare screen helps minimize reflections in bright rooms. HDMI and DisplayPort inputs allow easy connection to gaming PCs and consoles. Furthermore, the curved design and tilt adjustment help you maintain a comfortable viewing angle during long sessions. Low blue light and flicker-free technologies reduce eye strain during extended use. This display is ideal for gamers, esports enthusiasts, and home users alike. Therefore, it supports competitive gaming, streaming, and everyday computing. Finally, it combines fast performance, immersive visuals, and comfort features for daily use. Specifications: Display : 31.5″ VA Resolution : 1920 x 1080 (FHD) Refresh Rate : 250Hz Response Rate : 1ms Curvature : 1500R
The Samsung 65″ OLED 4K S85F Vision AI Smart TV QA65S85FAEXTW delivers a premium viewing experience built on advanced OLED technology. It produces deep blacks, rich colors, and strong contrast, so movies, sports, and games look more realistic and immersive on the 65-inch screen. OLED technology controls each pixel individually, so every detail appears with high precision. This improves dark scenes by keeping blacks deep and detailed, while bright areas stay clean and accurate. As a result, the picture remains balanced in both bright and dark environments. Samsung Vision AI improves picture and sound in real time. It analyzes each scene and adjusts brightness, color, and sharpness automatically. Therefore, the Samsung 65 OLED S85F Vision AI Smart TV QA65S85FAEXTW always delivers optimized visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality for better clarity. HDR expands contrast and color depth, making visuals more lifelike and dynamic. Fast motion also appears smoother and clearer, which improves sports and action viewing. The Smart TV system gives access to streaming apps, games, and smart home features. It runs smoothly and is easy to navigate. In addition, the slim design with thin bezels gives the Samsung 65 OLED S85F Vision AI Smart TV QA65S85FAEXTW a modern and premium look. Overall, this Samsung OLED TV combines strong picture quality, AI optimization, and smart connectivity for a high-end viewing experience. Specifications: OLED display delivers deep blacks and strong contrast 65-inch 4K screen provides immersive viewing experience Vision AI optimizes picture and sound automatically HDR improves brightness, contrast, and color depth Smart TV system supports apps, streaming, and smart features
New A1932 A2179 A2337 DC in Power Jack Connector for Macbook Air 13" Type-C USB-C Power 821-01658-A 2018 2019 2020 Year New A1932 A2179 A2337 DC in Power Jack Connector for Macbook Air 13″ Type-C USB-C Power 821-01658-A 2018 2019 2020 Year About this item New A1932 A2179 A2337 DC Jack Power DC-in Board for MacBook Retina 13″ DC Power Jack Board We have good after-sales services. We share the latest information on laptop spare parts in the Chinese market with all our customers. This is NOT an easy job for someone with no technical skills in Disassembling or Assembling a laptop, So only purchase this item if you know how to install it. Each DC Board is tested before shipping and working.
Samsung ViewFinity S5 S50GC 34″ UltraWide Monitor features a 21:9 Ultra WQHD display for wide and detailed viewing. Additionally, the large screen helps improve productivity and entertainment by showing more content at once. The flat design and minimal bezel support multi‑task workflows with less distraction. Moreover, the monitor supports HDR10 for richer color and deeper contrast. This brings more accurate and vibrant visuals for movies, work, and games. In addition, the 100Hz refresh rate helps deliver smoother motion during fast scenes and transitions. Furthermore, AMD FreeSync keeps the display and graphics card refresh rates in sync to reduce tearing and stutter. Eye Saver Mode and Flicker Free technology help reduce eye strain during long use. Picture‑in‑Picture (PIP) and Picture‑by‑Picture (PBP) let users view content from two sources at once. Finally, the panel offers wide viewing angles and consistent visuals across the screen. The monitor also includes an ambient light sensor to adjust brightness automatically in changing lighting conditions. These features make it a versatile choice for work and multimedia. Specifications: The monitor has Ultra WQHD (3440 × 1440) resolution with a 21:9 aspect ratio for a wide view. It offers a 100Hz refresh rate for smooth motion and reduced blur. HDR10 support adds richer colors and improved contrast. AMD FreeSync keeps graphics and display refresh rates aligned to reduce tearing. Features include PIP/PBP for multitasking, Eye Saver Mode, and Flicker Free eye comfort tech.
Verbatim Vi3000 512 GB NVMe SSD — high-speed PCIe 4.0 storage for desktops & laptops.• Read up to 5,000 MB/s • Write up to 3,200 MB/s • Compact M.2 2280 form factorInterface: PCIe Gen 4 × 4 NVMe 1.4 | Warranty: 3 Years | SKU: Vi3000-512G 🟣 Full Details : The Verbatim Vi3000 512 GB PCIe NVMe M.2 SSD delivers blazing-fast performance for everyday computing, gaming, and creative work. Using the latest PCIe Gen 4 × 4 NVMe 1.4 interface, it achieves read speeds up to 5,000 MB/s and write speeds up to 3,200 MB/s, making it a great upgrade for faster boot times and quicker app loading. PCIe Gen 4 × 4 NVMe 1.4 interface for ultra-fast transfer speeds Up to 5,000 MB/s read and 3,200 MB/s write performance Compact M.2 2280 design for desktops & laptops Low power consumption and quiet operation 3-year limited warranty with Verbatim reliability Works with most modern desktops and laptops that support M.2 NVMe (PCIe) drives. Fully backward compatible with PCIe 3.0 systems (at lower speeds). Verbatim Vi3000 512 GB M.2 NVMe SSD Quick installation & warranty guide
The MSI Pro MP253 24.5″ 100Hz Business Monitor is designed for professionals seeking smooth performance and high efficiency. It delivers a crisp Full HD display for sharp visuals and clear text. With a 100Hz refresh rate, this business monitor provides fluid motion and reduces screen tearing. Scrolling through documents and web pages feels smoother, improving your workflow. The fast response time ensures minimal motion blur for a better viewing experience. The MSI Pro MP253 24.5″ 100Hz Business Monitor features a sleek and modern design. Its ultra-slim bezels maximize screen space, making it ideal for multi-monitor setups. The stand is sturdy and adjustable, ensuring comfortable viewing angles. This business monitor comes with anti-flicker and low blue light technology. It reduces eye strain, making it perfect for long working hours. The comfortable viewing experience enhances focus and productivity. Connectivity options include HDMI and DisplayPort, allowing easy connection to various devices. Whether using a laptop, desktop, or docking station, this MSI business monitor ensures seamless compatibility. The MSI Pro MP253 24.5″ 100Hz Business Monitor offers vibrant colors and excellent contrast. The IPS panel provides wide viewing angles, ensuring clear visuals from any position. With energy-efficient performance, this business monitor consumes less power without compromising quality. It is an eco-friendly choice for offices and home workspaces. For professionals needing a reliable display, the MSI Pro MP253 24.5″ 100Hz Business Monitor is a great choice. It offers smooth visuals, eye-care features, and a stylish design to enhance productivity. Specifications: Display : 24.5″ IPS Resolution : 1920×1080 FHD Refresh Rate : 100Hz Response Rate : 1ms Speaker : 3W x2
The ASUS ROG Strix XG27ACS-W 27 inch QHD 180Hz 1ms Fast IPS Gaming Monitor is a 27-inch gaming display designed for smooth performance and sharp image quality. It uses a Fast IPS panel that delivers wide viewing angles and accurate colors for gaming and everyday use. It features a QHD (2560×1440) resolution, which provides more detail and screen space compared to Full HD. Therefore, it improves visibility in games and productivity tasks. The ASUS ROG Strix XG27ACS-W 27 inch QHD 180Hz 1ms Fast IPS Gaming Monitor supports a 180Hz refresh rate for smoother motion in fast-paced gameplay. In addition, it includes a 1ms response time to reduce motion blur during rapid actions. It supports adaptive sync technology, which helps reduce screen tearing and stuttering when paired with compatible graphics cards. As a result, gameplay feels smoother and more stable. Moreover, it includes HDR support for improved contrast and brightness in compatible content. The monitor also provides gaming display modes and on-screen settings for quick adjustments. The white design gives it a clean and modern appearance suitable for light or themed setups. Overall, the ASUS ROG Strix XG27ACS-W 27 inch QHD 180Hz 1ms Fast IPS Gaming Monitor is built for responsive gaming, clear visuals, and a premium white aesthetic. Specifications: 27-inch QHD (2560×1440) display 180Hz refresh rate 1ms response time Fast IPS panel White premium design
A premium ultralight pre-owned Lenovo ThinkPad T14s Gen 2 with 14" display, 11th Gen Core i5, 16GB RAM, and 512GB SSD—delivering powerful performance, all-day battery life, and exceptional portability for professionals on the move.
The Samsung 55″ Neo QLED QN85F 4K Vision AI Smart TV QA55QN85FAUXTW delivers a premium viewing experience with advanced Neo QLED display technology and intelligent AI processing. It produces bright, sharp, and detailed images with strong contrast, so movies, sports, and games look clear and immersive on the 55-inch screen. Neo QLED technology uses Quantum Mini LEDs to improve brightness control and contrast accuracy. As a result, dark scenes appear deeper while bright scenes stay vivid and balanced. This creates a more realistic picture across different types of content. Vision AI enhances picture and sound in real time. It analyzes each scene and automatically adjusts brightness, sharpness, and color for better output. Therefore, the TV consistently delivers optimized visuals without manual settings. In addition, AI upscaling improves lower-resolution content closer to 4K quality. HDR support expands brightness range and color depth, making visuals more dynamic and lifelike. Fast motion handling also improves clarity, which enhances sports and action viewing. The Smart TV platform provides easy access to streaming apps, gaming features, and smart home controls. It runs smoothly and responds quickly between apps. In addition, the slim design with thin bezels gives the TV a modern and premium look. Overall, this Samsung Neo QLED TV combines strong brightness performance, AI optimization, and smart connectivity for a powerful entertainment experience. Specifications: Neo QLED technology delivers bright and detailed picture quality 55-inch 4K display provides immersive viewing experience Vision AI enhances picture and sound automatically HDR improves contrast, brightness, and color depth Smart TV platform supports apps, streaming, and smart features
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
WIWU SW03 Sports Smart Watch - Vermilion | Fitness Tracking, Heart Rate Monitoring, Sleep Analysis | Waterproof, Long Battery Life | Compatible with iPhone, Android, iPad, and Tablets WIWU SW03 Sports Smart Watch – Vermilion | Fitness Tracking, Heart Rate Monitoring, Sleep Analysis | Waterproof, Long Battery Life | Compatible with iPhone, Android, iPad, and Tablets WIWU SW03 Sports Smart Watch : Display: 1.28-inch TFT LCD, 240×240 resolution (full-round display) Sport Modes: 13 sport modes for fitness tracking Health Monitoring: Heart rate monitoring, sleep tracking, step counting Bluetooth Features: Supports Bluetooth calls and notification synchronization Water Resistance: IP68 rating (can be submerged up to 1.5m for 30 minutes) Battery: 200mAh, magnetic charging (full charge in ~2 hours) Battery Life: Over 25 days standby time Build Material: PC/ABS plastic for durability
The MSI G244PF E2 Gaming Monitor features a 23.8″ Rapid IPS panel with Full HD (1920 x 1080) resolution and a high 180Hz refresh rate. This delivers quick and smooth visuals for responsive gaming and everyday use. It also provides a fast 1ms Gray‑to‑Gray response time, which reduces motion blur in fast‑moving games. Adaptive‑Sync technology helps reduce screen tearing and stuttering for fluid gameplay. The monitor includes Night Vision for better detail in dark areas, anti‑flicker and less blue light features to lower eye strain. Wide 178° horizontal and vertical viewing angles keep colors consistent from different positions. The fully adjustable stand lets you tilt, swivel, pivot, and change height for ergonomic comfort. The MSI G244PF E2 Gaming Monitor is ideal for users who want smooth, responsive visuals and ergonomic adjustability. Specifications: 23.8″ Full HD Rapid IPS panel with wide viewing angles 180Hz refresh rate for smooth and responsive visuals 1ms Gray‑to‑Gray response time to reduce motion blur Adaptive‑Sync technology to minimize screen tearing Adjustable stand with tilt, swivel, pivot, and height options
BenQ RE6504A 65” 4K UHD Interactive Flat Panel is a large touchscreen display designed for classrooms, meeting rooms, and collaborative work environments. It combines a 4K IPS panel, multi-touch support, and an Android-based system for interactive use without needing a separate PC. It features a 65-inch IPS display with 3840 × 2160 (4K UHD) resolution. Therefore, it delivers sharp visuals and wide viewing angles for group collaboration. In addition, it supports up to 40-point infrared touch input, allowing multiple users to write or interact at the same time. Moreover, it uses Android 14 (EDLA certified in most regions) with built-in apps and Google services support. As a result, users can run whiteboard tools, presentations, and educational apps directly on the display. The panel runs at 450 nits brightness with a 1200:1 contrast ratio. Therefore, it stays readable in bright rooms while maintaining stable image quality. In addition, it uses 4K resolution at 60Hz for smooth visual output from connected devices. Furthermore, it includes connectivity such as HDMI, USB, USB-C with power delivery, LAN, and OPS slot support. As a result, it works with laptops, external PCs, and modular computing systems. It also includes built-in speakers (typically 2 × 20W depending on configuration). Therefore, it supports presentations and lessons without external audio equipment. Finally, the BenQ RE6504A delivers a responsive 4K interactive experience with strong connectivity, multi-touch control, and Android integration for education and business use. Specifications: Display: 65-inch IPS panel with 3840×2160 4K UHD resolution Touch: Up to 40-point infrared multi-touch support System: Android 14 (EDLA) with built-in apps and tools Brightness: 450 nits with 1200:1 contrast ratio Connectivity: HDMI, USB, USB-C, LAN, OPS slot support
AOC 27G40E 27-inch 180Hz gaming monitor delivers smooth performance for fast-paced gaming with responsive visuals and modern display features. It is designed for users who want fluid gameplay and reliable everyday performance. Additionally, it features a 27-inch Fast IPS panel. This panel provides wide viewing angles and consistent color accuracy, so it improves both gaming and general use. Moreover, the monitor supports a 180Hz refresh rate with 0.5ms MPRT response time. As a result, it delivers smoother motion and reduces blur during competitive gameplay. The display offers Full HD resolution (1920 × 1080). Therefore, it allows higher frame rates and stable performance, especially in esports titles. In addition, it includes Adaptive Sync and G-SYNC compatibility. This reduces screen tearing and stuttering, so gameplay stays smooth and responsive. Furthermore, it supports HDR10 and gaming features such as Shadow Control and low input lag mode. These features improve visibility and responsiveness during gameplay. The monitor also includes HDMI and DisplayPort connectivity with a slim gaming design. It supports easy setup for PCs and consoles. AOC 27G40E 27-inch 180Hz gaming monitor provides fast refresh performance, responsive gameplay, and essential features for competitive and casual gamers. Specifications: 27-inch Fast IPS panel with wide viewing angles 180Hz refresh rate for ultra-smooth gameplay 0.5ms MPRT response time for reduced motion blur Adaptive Sync and G-SYNC compatible support Full HD 1920 × 1080 resolution for high FPS gaming
Genuine-spec US layout keyboard replacement for MacBook Pro 15″ (Models A1706 and A1707, 2016–2017)—featuring Apple’s second-generation Butterfly mechanism, backlighting, and full OEM compatibility for professional-grade repairs. Compatible With: MacBook Pro 15″ (2016, Model A1707) MacBook Pro 15″ (2017, Model A1706) Both models include Touch Bar and are powered by Intel Core i7/i9 processors. MacBook Pro 15″ (2016, Model A1707) MacBook Pro 15″ (2017, Model A1706) Both models include Touch Bar and are powered by Intel Core i7/i9 processors. Layout: Standard US English (QWERTY) with full-size keys, inverted-T arrow keys, and dedicated function row (mapped to Touch Bar). Keyboard Type: Apple’s 2nd-generation Butterfly mechanism—thinner profile with reduced travel; known for sensitivity but requires careful handling. Integrated Features: Backlit keys, ambient light sensor support, and original ribbon cable connector matching Apple’s design for direct logic board attachment. Build & Fit: Precision-engineered to align flush with the top case—ensures consistent key height and tactile response when properly installed. Installation Note: The keyboard is glued into the top case and must be carefully removed and re-adhered. Requires full disassembly of display, battery, and internal components. Recommended for experienced technicians only.
The ViewSonic VX2476-smhd 24″ 75Hz Monitor offers stunning visuals and smooth performance for both work and play. Its sleek and modern design adds a touch of elegance to any workspace. With a 24-inch Full HD display, the ViewSonic VX2476-smhd delivers crisp and vibrant images. Whether you’re watching movies, editing photos, or browsing the web, you’ll enjoy a clear and immersive viewing experience. The 75Hz refresh rate ensures smooth and fluid motion, reducing screen tearing and stuttering. This makes the ViewSonic VX2476-smhd perfect for gaming and fast-paced videos, providing a seamless experience. Designed with an ultra-thin bezel, the ViewSonic VX2476-smhd maximizes screen space and minimizes distractions. This makes it ideal for multi-monitor setups, allowing you to expand your workspace effortlessly. The ViewSonic VX2476-smhd features advanced IPS technology, ensuring accurate and consistent colors from every angle. This is perfect for collaborative work and shared viewing experiences, as everyone sees the same high-quality image. Connectivity is simple and versatile with the ViewSonic VX2476-smhd. It includes HDMI, DisplayPort, and VGA inputs, making it compatible with a wide range of devices, from computers to gaming consoles. In conclusion, the ViewSonic VX2476-smhd 24″ 75Hz Monitor combines stunning visuals, smooth performance, and sleek design for an exceptional viewing experience. Upgrade to the ViewSonic VX2476-smhd today and transform your digital world. Specifications: Display : 24″ IPS Resolution : FHD 1920 x 1080 Refresh Rate : 75Hz Response Rate : 4ms
WiWU 14-inch & 15.6-inch Minimalist Laptop Sleeve for Macbook Air 2020 Protective Case Minimalist Laptop Sleeve Water resistant polyester+ Fax fur lining Ultra slim design with front pocket Including packing weight:14inch 280g/15.6inch 320g WiWU 14-inch & 15.6-inch Minimalist Laptop Sleeve for Macbook Air 2020 Protective Case
AOC G2490VX 24″ FreeSync Display Specifications : Model name G2490VX Panel 23.8″ (VA) Pixel Pitch (mm) 0.2745 (H) × 0.2745 (V) Effective Viewing Area (mm) 527.04 (H) × 296.46 (V) Brightness (typical) 350 cd/m² (typical) Contrast Ratio 3500 : 1 (Typical) 80 Million : 1 (DCR) Response Time 1ms (MPRT) Viewing Angle 178° (H) / 178° (V) (CR > 10) Color Gamut sRGB 126% (CIE1931) / DCI -P3 87% (CIE1976) Color Accuracy Delta E < 2 Optimum Resolution 1920 × 1080 @ 144Hz – DisplayPort, HDMI Display Colors 16.7 Million Signal Input HDMI 1.4 × 1, DisplayPort 1.2 × 1 HDCP Version HDMI: 1.4 / DisplayPort: 1.4 USB Hub no Power Supply 100 – 240V ~ 1.5A, 50 / 60Hz Power Consumption (typical) 22W Speakers no Line in & Earphone Earphone Wall-Mount 100mm x 100mm Adjustable Stand Tilt: -5° ~ 23° Product without Stand (mm) 322.9 (H) × 541.2 (W) × 47 (D) Product with Stand (mm) 411 (H) × 541.2 (W) × 199.6 (D) Product without Stand (kg) 2.88 Product with Stand (kg) 3.54 Cabinet Color Black & Red Regulatory Approvals BSMI, KC, KCC, e-Standby, RCM, MEPS, CE, FCC, VCCI, PSE AOC G2490VX 24″ FreeSync *. G2490VX has been upgraded to AMD Freesync Premium version since Jan.1.2021 (manufactured date) Screen tearing and stuttering doesn’t only harm gaming performance, it also destroys immersion. AMD FreeSync Premium addresses this by keeping your monitor’s refresh rate synced with your processor’s. Specifications: Specifications : Panel Size 23.8″ Borderless Brightness 350 cd/m² (typical) 3500 : 1 (Typical) 80 Million : 1 (DCR) 1ms (MPRT) Viewing angle 178° (H) / 178° (V) (CR > 10) sRGB 126% (CIE1931) / DCI -P3 87% (CIE 1976) Color accuracy Delta E < 2 Resolution 1920 × 1080 @ 144Hz – DisplayPort, HDMI 16.7 Million HDR MODE 1 Year Warranty manufacturer link
The Gigabyte 25″ 200Hz GS25F2 Gaming Monitor is built for gamers who want smooth and fast gameplay. It features a 25-inch display with Full HD resolution for clear and detailed visuals. This monitor gives you sharp images with excellent color quality. With its ultra-fast 200Hz refresh rate, the Gigabyte 25″ 200Hz GS25F2 Gaming Monitor reduces motion blur and screen tearing. Gamers will enjoy smooth and responsive action in every game they play. It also features a 1ms response time, which helps reduce lag and ghosting during fast movements. As a result, every action appears more accurate and real-time. The Gigabyte 25″ 200Hz GS25F2 Gaming Monitor supports AMD FreeSync for tear-free visuals. This ensures that the screen refresh rate matches the graphics card’s performance. Moreover, the monitor has built-in gaming features like crosshairs and timers to improve your gaming experience. These tools give players an edge during competitive gameplay. The sleek and modern design of this gaming monitor fits perfectly in any gaming setup. It includes a thin bezel for a more immersive viewing experience. Additionally, it has multiple input ports like HDMI and DisplayPort for easy connection to your devices. You can connect it to your PC, console, or laptop quickly. The Gigabyte 25″ 200Hz GS25F2 Gaming Monitor is also designed for long use. It includes low blue light and flicker-free technology to reduce eye strain. In conclusion, this gaming monitor is ideal for gamers who want speed, clarity, and comfort. It’s a great upgrade for serious and casual gamers alike. Specifications: Display : 24.5″ SS IPS Resolution : 1920 x 1080(FHD) Refresh Rate : 200 Hz Response Rate : 1ms (GTG) Speaker : 2x 2W
