The 60W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Pro stays put safely. It also helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. The 60W MagSafe 2 Power Adapter features a magnetic DC connector so if someone should trip over it, the cord disconnects harmlessly and your MacBook Pro stays put safely. It also helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection. When the connection is secure, an LED located at the head of the DC connector lights up; an amber light lets you know that your notebook is charging, while a green light tells you that you have a full charge. An AC cord is provided with the adapter for maximum cord length, while the AC wall adapter (also provided) gives you an even easier and more compact way to travel. Designed to be the perfect traveling companion, the adapter has a clever design which allows the DC cable to be wound neatly around itself for easy cable storage. Compatible with MacBook Pro with 13-inch Retina display. See this article for more details about choosing the right one. Knowing which specific Mac model you have is important. If you are running OS X Lion (10.7) or later go to the “” menu at the top left of your screen, choose “About this Mac” then click the “More Info…” button. Your Mac model and generation will be displayed. If you are running an earlier version of OS X, you can enter your serial number here to find out which model you have. COMPATIBILITY Mac Models: MacBook Pro (Retina, 13-inch, Late 2012 – 2015)
The Samsung 55″ QLED Q6F 4K Smart TV QA55Q6FAAUXTW delivers vibrant picture quality and smart entertainment features in a sleek and modern design. It uses advanced QLED technology to produce bright colors, sharp details, and impressive clarity, making movies, sports, and games more enjoyable on the 55-inch screen. QLED technology uses Quantum Dot enhancement to improve color accuracy and brightness. As a result, images appear vivid and lifelike across a wide variety of content. Dark scenes retain important details, while bright scenes remain balanced and clear. This creates a more consistent viewing experience in different lighting conditions. The 4K UHD resolution provides exceptional image detail and clarity. Therefore, content looks sharper and more refined than standard Full HD. In addition, Samsung image processing enhances lower-resolution content, helping it appear closer to native 4K quality. HDR support improves contrast and expands the visible color range. This allows brighter highlights and deeper shadows, creating more realistic images. Fast-moving scenes also appear smoother and clearer, making sports broadcasts and action-packed content more enjoyable. The Smart TV platform provides access to popular streaming services, apps, and connected home features. It offers a responsive interface that makes navigation simple and convenient. In addition, the slim design and narrow bezels give the Samsung QLED 55 Q6F 4K Smart TV QA55Q6FAAUXTW a modern appearance that fits well in bedrooms, living rooms, and entertainment areas. Overall, this Samsung QLED TV combines vivid colors, sharp 4K resolution, and smart functionality for a complete home entertainment experience. Specifications: QLED technology delivers vibrant colors and enhanced brightness 55-inch 4K UHD display provides immersive viewing HDR improves contrast and image realism Smart TV platform supports streaming apps and connected features Slim design complements modern living spaces
Original 13.3-inch Retina LCD display assembly for MacBook Pro A1502 (pulled from a working unit). OEM part, ready to replace cracked or malfunctioning screens with perfect visual quality. This is a genuine Retina display assembly removed from a fully functional MacBook Pro model A1502. It’s ideal as a replacement for a damaged or broken screen, offering original Apple quality without needing aftermarket components. Key Features & Functionality Factory Retina IPS panel with high color accuracy and brightness Integrated LCD, backlight, front glass, display cable and hinges Tested for proper display, backlight, no dead/stuck pixels (unless noted) Designed to match original tolerances, alignment, and thickness Compatible with MacBook Pro A1502 models (various years) Detailed Specifications Important Notes & Considerations Ensure model is A1502 — other MacBook Pro models have different connectors and frames. Even though tested, minor cosmetic marks or micro-scratches may exist. Handle with extreme care — glass is fragile, flex cables delicate. Professional reinstallation recommended for best alignment and function.
The Horion Interactive Flat Panel 98″ EDLA delivers immersive collaboration and boardroom-grade display features. It features a 98″ 4K UHD (3840×2160) LED touchscreen with up to 50-point Ultra Precision IR touch. Moreover, Android 13 with Google EDLA support ensures seamless access to Google Meet, Drive, and Docs. Also, the 48 MP AI camera auto frames active speakers for effective video conferencing. In addition, a full 8-array omnidirectional microphone system captures voice clearly from up to 12 m. Besides that, built-in audio includes two 20 W speakers and a 20 W bass speaker for rich sound. Furthermore, the panel uses dual‑band Wi‑Fi 6, Bluetooth 5.3, and NFC for wireless versatility. Therefore, mirroring and file sharing is fast and simple vianative casting or Miracast. It also offers USB‑C (video, audio, charge, touch), HDMI in/out, DisplayPort, VGA, Ethernet, and USB ports. Also, an ultra-fast response time (8 ms) keeps touch and annotation smooth. Plus, brightness is around 380–450 cd/m² and viewing angles reach 178° horizontally and vertically. The CPU combines quad-core A73 + quad-core A53 with Mali GPU, backed by 8 GB RAM + 128 GB storage. Importantly, the panel includes wireless dongle and smart pen for multi-user collaboration. Also, EDLA certification enables Google ecosystem integration including calendar, voting, and whiteboard apps. Moreover, touch latency below 30 ms ensures writing feels natural on-screen. For content sharing, the system supports built‑in voting, timers, and dual-screen mirroring control. Then, remote support and firmware updates keep the board secure and up to date. As a result, classrooms, boardrooms, and hybrid teams benefit from dynamic collaboration. In conclusion, the Horion 98″ EDLA provides advanced interactivity, strong WLAN, high-quality AV, and enterprise-level smart features. Finally, it is ideal for large-scale meetings, teaching, or creative teamwork. Specifications: Display : 98″ Resolution : 4K UHD 2160p Refresh Rate : 60Hz Ram : 8GB Storage : 128GB OS : Android 13.0
Specifications : Display Diagonal Viewing Size 86.27 cm 34.14 inches Preset Display Area (H x V) 799.80 mm x 344.80 mm 31.49″ x 13.18″ 267773.04 sq-mm (415.01 sq-inches) Panel Type In-Plane switching Technology Display Screen Coating Antiglare with hard-coating 3H Maximum Preset Resolution 3440 x 1440 at 60Hz Viewing Angles 178° vertical / 178° horizontal Pixel Pitch 0.233 mm x 0.233 mm Pixel Per Inch (PPI) 109 Contrast Ratio 1,000 to 1 (typical) Aspect Ratio 21:9 Backlight Technology LED edgelight system Brightness 300 cd/m² (typical) Response time 8 ms for NORMAL mode 5 ms for FAST mode Adjustability Height adjustable (115 mm), Tilt (-5° to 21°) Swivel (-30° to 30°) Pivot (N/A) PbP / PiP PbP (Yes) PiP (Yes) Daisy Chain Availability No Dell Display Manager Compatibility Yes, Easy Arrange and other key features Remote Asset Management Yes, via Dell Command Monitor Specifications – Service / Support Details 3-Year Advanced Exchange Service and Limited Hardware Warranty Color Support Color Gamut (typical): 99.9% sRGB, CIE1976 (90%), CIE1931 (75%) Color Depth: 1.074 Billion colors Color Calibration Accurancy Delta E < 3 (average) Color Calibration with X-rite colorimeter No Built-in Devices USB 3.0 super-speed hub (with 2 x USB 3.0 upstream port) 4 x USB 3.0 downstream ports Security Security lock slot (cable lock sold separately) Anti-theft stand lock slot (to panel) Compliant Standards BFR/PVC-free (Halogen-free) excluding external cables Meets NFPA 99 leakage current requirements Arsenic-Free glass and Mercury-Free for the panel only Product Safety, EMC and Environmental Datasheets Dell Regulatory Compliance Home Page Dell and the Environment Flat Panel Mount Interface VESA (100 mm) Audio Output 1 x Audio line-out Connectivity 2 x HDMI 2.0 (HDCP 2.2) 1 x DP 1.2 (HDCP 2.2) 2 x USB 3.0 Upstream port 2 x USB 3.0 Downstream port (side) 2 x USB 3.0 Downstream port (bottom) 1 x USB Type-C (DisplayPort DP1.2 Alternate Mode, Power Delivery up to 90W (Typical), and USB 2.0) Dimensions & Weight Height with stand (Compressed ~ Extended) 417.0 mm ~ 532.0 mm 16.42″ ~ 20.94″ Width 813.6 mm 32.03″ Depth 226.4 mm 8.91″ Height without stand 363.7 mm 14.32″ Width without stand 813.6 mm 32.03″ Depth without stand 58.4 mm 2.30″ Weight (panel only – for VESA mount) 8.2 kg 18.07 lb Weight (with packaging) 16.0 kg 35.27 lb Power Voltage Required 100 VAC to 240 VAC / 50 Hz or 60 Hz + 3 Hz / 3 A (typical) Power Consumption (Operational) 54 W (typical) 250 W (maximum)** Power Consumption Stand by / Sleep Less than 0.5W **Maximum power consumption with max luminance, and USB active. Environmental Operating Conditions Temperature Range Operating: 0°C to 40°C (32°F to 104°F) Non-operating: –20°C to 60°C (–4°F to 140°F) Humidity Range Operating: 10% to 80% (non-condensing) Non-Operating: 5% to 90% (non-condensing) Altitude Operating: 5,000 m (16,404 ft) max Non-Operating: 12,192 m (40,000 ft) max In The Box Monitor, Stand Riser, Stand Base 1 x Power cable 1 X DP Cable (DP to DP) 1 X USB Type-C Cable (C to C) 1 x HDMI Cable 1 x USB 3.0 upstream cable Quick setup guide Safety, Environmental, and Regulatory Information Factory Calibration Report 1 Year Warranty manufacturer link
The Asus TUF VG249Q1R 24″ 144Hz Gaming Monitor delivers smooth and immersive gameplay. With a 144Hz refresh rate and 1ms response time, it ensures ultra-fast performance for competitive gaming. This 24-inch Full HD display offers crisp and vibrant visuals. The IPS panel provides wide viewing angles and accurate colors, making every detail stand out. Whether you’re gaming or watching movies, the experience is stunning. With Extreme Low Motion Blur (ELMB) technology, motion blur is reduced for sharper images. This keeps fast-moving scenes clear and prevents ghosting. Your gameplay stays smooth and responsive. The Asus TUF VG249Q1R also features Adaptive-Sync and FreeSync technology. These prevent screen tearing and stuttering, ensuring fluid visuals. Even in intense action, your gameplay remains lag-free. Designed for comfort, this gaming monitor has flicker-free technology and a low blue light mode. These features reduce eye strain, making long gaming sessions more comfortable. The monitor has multiple connectivity options, including HDMI and DisplayPort. It’s compatible with PCs, gaming consoles, and other devices, making it a versatile choice. With a sleek, TUF Gaming-inspired design, the monitor looks as good as it performs. The slim bezels provide a modern look, perfect for multi-monitor setups. Upgrade your gaming setup with the Asus TUF VG249Q1R 24″ 144Hz Gaming Monitor for smooth, immersive, and tear-free gaming. Specifications: Display : 24″ IPS Resolution : 1920×1080 FHD Refresh Rate : 144Hz Response Rate : 1ms
The XPPen 4K UHD Artist Pro 19 Gen2 is a professional pen display designed for artists, designers, and creative professionals.It features a 19-inch 4K UHD screen with vibrant colors and sharp details, providing a high level of precision for digital artwork. Moreover, its fully laminated display reduces parallax for accurate pen tracking. This pen display comes with a battery-free stylus that offers 8192 levels of pressure sensitivity. Additionally, tilt recognition allows natural brush strokes and smooth drawing experiences. The anti-glare screen minimizes reflections in bright environments, making it easier to work for long hours. HDMI and USB-C connectivity ensure compatibility with most computers and laptops. Furthermore, the adjustable stand allows you to work at a comfortable angle. XPPen’s custom shortcut keys increase workflow efficiency for professional projects. This display is ideal for illustrators, animators, graphic designers, and creative professionals. Therefore, it supports digital painting, photo editing, and animation tasks. Finally, it combines high-resolution visuals, precise stylus control, and ergonomic design for professional use. Specifications: 19″ 4K UHD (3840 × 2160) fully laminated display for sharp and vivid visuals Battery-free stylus with 8192 levels of pressure sensitivity Tilt recognition for natural brush strokes HDMI + USB-C connectivity for versatile setup Adjustable stand and customizable shortcut keys for comfort and efficiency 156% sRGB Graphic Tablet with 1.07 Billion Colors
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
Remax F41 6″ Wireless Clamp Fan – USB‑C rechargeable (4,000 mAh), 4 speeds, 720° rotation, up to 3 hrs runtime.Modular 3‑in‑1 design with detachable grille, washable parts, and night‑light feature. Model: Remax F41 6-inch Wireless Air Circulating Clamp Fan Power & Battery: Rechargeable 4,000 mAh battery; USB-C charging (~3 hours to full charge), offers ~3 hours continuous use at high speeds Operation Modes: 4 fan speeds, 3‑in‑1 usage (desktop, clamp, or hanging), 720° wide-angle rotation Design Features: Detachable, washable grille plus built-in warm night light Care Tips: Recharge every two months if unused; avoid inserting objects into blades
The Samsung 27″ 120Hz Essential S3 Monitor LS27F320GAMXUE delivers clear and smooth visuals with a Full HD (1920 × 1080) resolution and 120 Hz refresh rate, which helps reduce motion blur and lag during fast‑moving scenes. Additionally, the IPS panel provides wide viewing angles and consistent color across the screen, making it suitable for work, entertainment, and casual gaming. The monitor includes Game Picture Mode to optimize contrast and color settings for different game genres. Moreover, Samsung equips this monitor with Eye Saver Mode and Flicker Free technology to help reduce eye strain during extended use. Therefore, users can stay comfortable during long work or play sessions. The design features a modern, slim bezel look that enhances any desk setup. Connectivity includes two HDMI 1.4 ports for flexible device connection. Specifications: Display : 27″ Resolution : 1920 x 1080 FHD Refresh Rate : 120Hz Response Rate : 5ms
The lg 34g600a b ultrawide gaming monitor is built for immersive gameplay and wide-screen productivity. It features a 34-inch curved display with WQHD resolution, which provides more screen space and sharper image quality. Therefore, it enhances both gaming and multitasking experiences. Moreover, the monitor supports a 160Hz refresh rate, which delivers smoother motion during fast gameplay. In addition, it helps reduce motion blur, allowing players to react more quickly in competitive situations. Furthermore, the UltraWide curved design improves viewing comfort and expands the field of view. As a result, users can enjoy a more engaging experience when gaming, watching content, or working across multiple windows. The monitor also includes modern connectivity options for compatibility with gaming systems and PCs. In addition, it maintains stable display performance during long sessions, which supports consistent usage. In conclusion, this monitor offers smooth visuals, a wide display, and reliable performance for both gaming and daily tasks. Specifications: 34-inch UltraWide curved display WQHD (2560 x 1440) resolution 160Hz refresh rate Wide aspect ratio for multitasking Suitable for gaming and productivity
The Riotouch 86″ Interactive Panel is designed to transform educational and professional environments with its cutting-edge features and user-friendly interface. This interactive flat panel offers a seamless blend of performance, connectivity, and intuitive design, making it an ideal choice for classrooms and conference rooms. Featuring a 86-inch 4K UHD display (3840 x 2160 resolution), the panel delivers crisp visuals and vibrant colors. Its 4mm anti-glare tempered glass ensures clear visibility from any angle, reducing eye strain during prolonged use. The panel supports up to 40-point multi-touch and 20-point multi-writing capabilities, allowing multiple users to interact simultaneously. This feature fosters collaborative learning and dynamic presentations, enhancing engagement and productivity. Powered by a quad-core Cortex-A55 processor and equipped with 4GB RAM and 32GB storage, the Riotouch panel ensures smooth performance. Its dual operating system support (Android and Windows) provides versatility, accommodating various software applications and user preferences. Connectivity is robust, with multiple ports including HDMI, USB 3.0, USB-C, VGA, and RJ45, facilitating easy integration with other devices. Built-in Wi-Fi and Bluetooth capabilities enable wireless connections, promoting a clutter-free workspace. The panel comes with integrated 2x15W front-facing speakers, delivering clear audio for multimedia presentations. Additionally, it includes a built-in 13MP 4K camera and microphone, supporting high-quality video conferencing and remote collaboration. Designed with user convenience in mind, the Riotouch panel features intuitive front controls for power, volume, and input selection. Its slim aluminum frame and wall-mountable design ensure it fits seamlessly into any environment. In summary, the Riotouch 86″ Interactive Panel combines high-resolution display, multi-touch interactivity, and versatile connectivity, making it a comprehensive solution for modern collaborative spaces. Specifications: Display : 86″ 4K UHD Touch Memory : 4GB Storage : 32GB OS : Android 11
WIWU S400 Aluminum Laptop Stand Portable, Adjustable and Foldable - Silver WIWU S400 Aluminum Laptop Stand Portable, Adjustable and Foldable – Silver
A sleek and secure pre-owned Lenovo ThinkPad T14s with 14" touchscreen, 10th Gen Core i5, 16GB RAM, and 256GB SSD—ideal for professionals who need portability, touch functionality, and enterprise-grade reliability.
The Asus VP228HE 22″ 60Hz Gaming Monitor is designed for gamers who want smooth visuals and fast response times. It offers a great balance of performance and affordability for casual and competitive players. This gaming monitor features a 22-inch Full HD display with a 1920 x 1080 resolution. The screen delivers sharp visuals with vibrant colors, enhancing your gaming experience. The 60Hz refresh rate ensures smooth motion in fast-paced games. With a 1ms response time, the Asus VP228HE reduces motion blur and ghosting. This makes gameplay more responsive, giving you an advantage in action-packed games. The monitor also includes ASUS GamePlus technology with crosshair and timer functions for better accuracy. The Asus VP228HE 22″ 60Hz Gaming Monitor features ASUS Eye Care technology. It includes a flicker-free display and a blue light filter to reduce eye strain. You can game for longer periods without discomfort. For connectivity, this monitor includes HDMI and VGA ports, making it compatible with gaming consoles, PCs, and laptops. It provides flexibility for different gaming setups. The built-in speakers deliver clear sound, eliminating the need for external speakers. The gaming monitor has a sleek and compact design that fits any setup. It is lightweight and easy to adjust, ensuring comfortable viewing angles. The durable build ensures long-lasting performance. If you need a reliable and affordable gaming monitor, the Asus VP228HE 22″ 60Hz Gaming Monitor is a great choice. It delivers smooth visuals, fast response times, and eye care features for comfortable gaming. Specifications: Display : 22″ TN Resolution : 1920×1080 Refresh Rate : 60Hz Response Rate : 1ms Speaker : 1.5W x2
The Apple MacBook Pro 16-inch (2019) is powered by an Intel Core i7 processor, paired with 16GB RAM and a fast 512GB SSD for powerful and reliable performance. Designed for professionals and creatives, it features a premium aluminum build, immersive 16-inch Retina display, and dedicated Radeon Pro graphics for demanding workloads.
Samsung Odyssey OLED G5 G50SF 180Hz Monitor delivers sharp visuals and smooth gameplay for demanding players. It features a 27-inch QHD display with OLED technology. As a result, colors appear vibrant and contrast looks deep and realistic. Moreover, the QD-OLED panel enhances brightness and color accuracy. It supports a wide color range and Pantone validation for precise tones. In addition, HDR10 improves contrast and highlights for a more immersive experience. Furthermore, the 180Hz refresh rate and 0.03ms response time ensure fast and fluid motion. This helps reduce blur and improve reaction speed during gameplay. NVIDIA G-Sync compatibility and AMD FreeSync also reduce tearing and stutter. Finally, Samsung Odyssey OLED G5 G50SF 180Hz Monitor includes gaming tools like Black Equalizer and Virtual Aim Point. These features improve visibility and accuracy. Therefore, players gain better control in every match. Specifications: 27-inch QHD (2560×1440) OLED display with vibrant colors and deep contrast 180Hz refresh rate with ultra-fast 0.03ms response time for smooth gameplay HDR10 support for improved brightness, contrast, and image depth NVIDIA G-Sync Compatible and AMD FreeSync for tear-free gaming Gaming features including Black Equalizer and Virtual Aim Point for better visibility
The LG 34U530A-W 34″ WFHD IPS 100Hz Monitor delivers wide and immersive visuals that enhance work, entertainment, and gaming experiences. Its 34-inch ultra-wide display provides a larger view area that helps with multitasking, productivity, and movie watching. Moreover, the WFHD resolution ensures clear and detailed images so you can see content with accuracy and sharpness. This monitor features an IPS panel that offers wide viewing angles and consistent color performance, making it suitable for creative work, office tasks, and everyday use. Additionally, the 100Hz refresh rate delivers smoother motion during gaming and video playback compared to standard displays. The sleek white design fits easily into modern home and office setups without taking up too much space. The LG 34U530A-W includes multiple connectivity options that allow you to connect laptops, desktops, and other devices with ease. Furthermore, its ergonomic tilt adjustment helps maintain comfortable viewing during long sessions. Therefore, it is ideal for home users, students, professionals, and gamers who want a versatile monitor. Finally, it combines immersive wide visuals, smooth performance, and user-friendly design for everyday use. Specifications: 34″ ultra-wide WFHD monitor IPS panel with wide viewing angles 100Hz refresh rate for smoother motion Sleek design with versatile connectivity Comfortable for work, entertainment, and gaming
A capable pre-owned Dell Latitude 5501 with 15.6" touchscreen, 9th Gen Core i5, 16GB RAM, 256GB SSD, and NVIDIA GeForce MX150 2GB—ideal for business users who need a balance of performance, portability, and light graphics power.
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.
