Reliability meets value in this pre-owned ThinkPad E14 Gen 2. Equipped with the AMD Ryzen 5 4500U 6-core processor, 8GB RAM, and a 512GB NVMe SSD, this laptop is built for students and professionals who need a durable, high-performance machine for everyday multitasking.
Looking to level up your gaming setup? Meet the Samsung 32″ 165Hz Gaming Monitor, your gateway to unparalleled gaming experiences. With its cutting-edge features and stunning display, get ready to immerse yourself in the action like never before. First and foremost, let’s talk about the impressive 165Hz refresh rate. Say goodbye to lag and motion blur as you enjoy buttery-smooth gameplay that keeps up with even the fastest-paced action. Get a competitive edge with fluid, responsive visuals that enhance your gaming performance. Moreover, the 32-inch display delivers breathtaking visuals that pull you into the heart of the game. Experience vibrant colors, sharp details, and immersive graphics that bring your favorite games to life. From epic battles to stunning landscapes, every moment is rendered with stunning clarity. But the benefits don’t stop there. With features like AMD FreeSync technology, enjoy tear-free gaming with seamless synchronization between your monitor and graphics card. Say goodbye to screen tearing and stuttering for a flawless gaming experience from start to finish. Additionally, the sleek design of the Samsung 32″ 165Hz Gaming Monitor adds style to any gaming setup. Its slim bezels and adjustable stand offer both form and function, allowing you to customize your setup for optimal comfort and immersion. In conclusion, whether you’re a casual gamer or a competitive esports enthusiast, the Samsung 32″ 165Hz Gaming Monitor is your ticket to gaming greatness. Elevate your gaming experience with smooth gameplay, stunning visuals, and unbeatable performance. Get ready to dominate the virtual battlefield like never before! Specifications: Display : 32″ VA Resolution : 1,920 x 1,080 Refresh Rate : 165Hz Response Rate : 1ms
A versatile pre-owned Lenovo ThinkPad L13 Yoga Gen 1 with 13.3" touchscreen, 360° hinge, 10th Gen Core i7, 16GB RAM, and 512GB SSD—perfect for professionals who need flexibility, performance, and portability.
The HP V28 4K Monitor delivers sharp and vivid visuals for work and entertainment.It features a 28-inch 4K UHD display that shows lifelike detail and rich color.Moreover, the slim design fits well on desks at home and in office setups. This monitor uses an advanced panel for wide viewing angles and consistent color from different positions.Additionally, the 4K resolution brings out clear text and crisp images for videos and photos.Anti-glare coating helps reduce reflections in bright lighting. The HP V28 4K also includes HDMI and DisplayPort inputs for flexible connectivity.Furthermore, tilt adjustment lets you find a comfortable viewing angle.Low blue light and flicker-free features help reduce eye strain during long use. This display suits professionals, content creators, and home users alike.Therefore, it supports productivity, creative work, and media streaming.Finally, it combines high picture quality, versatile connections, and comfort features for everyday use. Specifications: 28″ 4K UHD (3840 × 2160) panel HDMI + DisplayPort ports for flexible connection Anti-glare coating for comfortable viewing Tilt-adjustable stand for ergonomic use Wide viewing angles for consistent color
The Dell P3424WEB Pro Plus 34″ 4K 60Hz Video Conferencing Monitor delivers a large, immersive screen ideal for work, meetings, and multitasking. You get a wide curved display that fills your field of view. It lets you open many windows side by side for improved productivity. Moreover, the Dell P3424WEB Pro Plus 34″ 4K 60Hz Video Conferencing Monitor includes a high-quality built-in webcam. The camera captures sharp and clear video for meetings. Integrated microphones and speakers provide clear sound without extra devices. This makes virtual calls simple and effective. In addition, the monitor supports USB-C with up to 90W power delivery. You can connect and charge a laptop with a single cable. This reduces desk clutter and simplifies setup. It also supports HDMI, DisplayPort, Ethernet and multiple USB ports for many devices. Furthermore, the Dell P3424WEB Pro Plus 34″ 4K 60Hz Video Conferencing Monitor uses a wide IPS curved panel with great color accuracy. Colors stay vivid and natural from wide viewing angles. This is useful for design work, video editing, or media viewing. The large screen enhances focus and comfort. Also, the monitor includes adjustable stand for height, tilt, and swivel. You can adjust it to a comfortable viewing position. The thin bezels and modern frame give a clean, professional look to any office space. The curved shape reduces glare and eyestrain during long hours. Overall, the Dell P3424WEB Pro Plus 34″ 4K 60Hz Video Conferencing Monitor combines a large display, smart connectivity, and built-in conferencing tools. It improves productivity, simplifies video calls, and enhances work comfort. This monitor is ideal for professionals, remote workers, creators, and teams needing an all-in-one display solution. Specifications: Display : 34″ IPS Resolution : WQHD 3440 x 1440 Refresh Rate : 60Hz Response Time : 8ms Curvature : 3800R
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
LG 35 inch Curved UltraWide QHD Monitor 35WN65C-B is built for multitasking, productivity, and immersive viewing. It features a 35-inch curved VA display with UltraWide QHD resolution for a wider workspace. Additionally, it supports HDR10 and sRGB 99% color coverage. Therefore, it works well for office tasks, content creation, and entertainment use. The LG 35 inch Curved UltraWide QHD Monitor 35WN65C-B delivers 3440 x 1440 resolution with a 100Hz refresh rate and 5ms response time. Moreover, it includes AMD FreeSync support for smoother visuals during fast-moving content. The monitor provides USB Type-C, two HDMI ports, one DisplayPort, and headphone out for flexible connectivity. In addition, the stand supports height and tilt adjustment for better comfort during long sessions. Furthermore, the curved screen improves immersion while the UltraWide format helps users manage multiple windows at once. As a result, it improves workflow and viewing comfort in both work and entertainment setups. It also supports VESA wall mounting for flexible desk arrangement. Specifications: 35-inch curved VA UltraWide QHD display 3440 x 1440 resolution with 100Hz refresh rate HDR10 support with sRGB 99% color coverage USB Type-C, HDMI, and DisplayPort connectivity Height and tilt adjustable stand
The ViewSonic 24″ 100Hz IPS Monitor is a high-performance display designed for work, entertainment, and gaming. It features a 24-inch Full HD IPS panel, delivering sharp visuals, vibrant colors, and wide viewing angles. Whether you’re working on creative projects, watching movies, or gaming, the high-quality display ensures a smooth and immersive experience. With a 100Hz refresh rate, this monitor provides ultra-smooth motion, reducing screen tearing and stuttering. The fast refresh rate enhances gaming, making movements appear fluid and responsive. It also improves everyday tasks like scrolling and video playback, providing a better overall visual experience. The IPS panel technology ensures consistent and accurate colors, making it ideal for content creators, designers, and professionals. The 178° wide viewing angles allow clear visibility from different positions, ensuring that images and text remain sharp and distortion-free. Designed with eye comfort in mind, the monitor features flicker-free technology and a blue light filter. These features help reduce eye strain and fatigue, making it comfortable for extended use. Whether you’re working long hours or enjoying a gaming session, this monitor keeps your eyes protected. The sleek and modern design fits seamlessly into any workspace or gaming setup. Its thin bezels provide a more immersive viewing experience, perfect for multi-monitor setups. The monitor includes multiple connectivity options, such as HDMI and DisplayPort, ensuring compatibility with a wide range of devices. With its fast refresh rate, stunning color accuracy, and ergonomic design, the ViewSonic 24″ 100Hz IPS Monitor is a great choice for professionals, gamers, and everyday users. It offers smooth performance, vibrant visuals, and long-term eye comfort in a stylish package. Specifications: Display : 24″ IPS Resolution : 1920×1080 FHD Refresh Rate : 100Hz Response Rate : 1ms
The LG 32G810SA-W 32″ UHD 4K IPS Smart 144Hz Monitor delivers premium performance for gaming, streaming, and productivity. Its large 32-inch IPS display provides sharp 4K UHD visuals and vibrant color accuracy for immersive viewing. Moreover, the fast 144Hz refresh rate ensures smooth motion during competitive gaming and high-action scenes. This monitor also includes smart features that allow access to streaming apps and entertainment without needing a PC. Additionally, the IPS panel offers wide viewing angles, making it suitable for shared viewing and creative work. The modern white design adds a clean and stylish look to gaming or professional setups. Connectivity options allow easy connection to consoles, PCs, and multimedia devices. Furthermore, ergonomic adjustments help maintain comfortable viewing positions during long sessions. Therefore, this monitor suits gamers, content creators, and home users seeking performance and flexibility. Finally, it combines smart functionality, high refresh rate, and stunning 4K clarity for versatile daily use. Specifications: 32-inch UHD 4K IPS smart gaming monitor 144Hz refresh rate for smooth gameplay Built-in smart features for streaming access Wide viewing angles and vivid colors Modern design with versatile connectivity
WiWU Minimalist Laptop Handbag – Lightweight, water-resistant bag with soft interior padding, shock protection, and dual compartments.Available in 14″ and 15.6″ sizes, perfect for secure and stylish daily laptop carry. Model: WiWU Minimalist Laptop Handbag Material: Water-resistant polyester exterior with a soft faux-fur padded interior Available Sizes: 14″ and 15.6″ versions to accommodate most laptops Protection: Built-in anti-collision padding and 360° all-around corner protection Compartments: Main laptop compartment (soft-lined) Front organizer section with inner pockets for cables, chargers, phone, and accessories Compartments: Main laptop compartment (soft-lined) Front organizer section with inner pockets for cables, chargers, phone, and accessories Carrying Options: Top handles for hand carry Detachable shoulder strap Luggage strap for trolley attachment Carrying Options: Top handles for hand carry Detachable shoulder strap Luggage strap for trolley attachment Design Features: Durable YKK zippers, reinforced corners, slim profile Weight: Approx. 703 g (14″), 884 g (15.6″) Use Case: Ideal for work, study, travel, and everyday protection of devices
Specifications Weight (g) 750 Depth (mm) 500 Width (mm) 140 Height (mm) 190 Input/Output Other Battery Capacity (mAh) 8000 Sound Mode Other Category Speakers Use HOME Input Power (W) <25 W Voice Control No Waterproof No Support APP No Playback Function MP3 Remote Control No Intelligent Personal Assistant None Display Screen Yes Built-in Microphone No Audio Crossover Two-Way Number of Loudspeaker Enclosure 1 Power Source Battery Channels 2 (2.0) Feature Wireless Charger for Mobile Phone Battery Yes Communication Bluetooth Speaker Type Portable Cabinet Material Plastic Brand Name RNABAU Model DB Origin Mainland China Certification CE Type1 Caixa De Som Type2 HiFi Wireless Bluetooth Speaker Type3 Mobile Phone Charger Type4 Alarm Clock Speaker Type5 FM Radio Soundbox Type6 Vintage Bluetooth Speaker Type7 Home Stereo Audio Set
The Alienware AW3225QF 32″ 240Hz QD-OLED 4K Gaming Monitor is built for gamers who want top performance. It features a 32-inch curved QD-OLED screen that delivers vibrant colors, deep blacks, and wide viewing angles. With a 4K resolution of 3840 x 2160 and a blazing fast 240Hz refresh rate, gameplay feels smooth and detailed. Its ultra-low 0.03ms response time ensures every movement is crisp and fast with minimal blur. The screen has a gentle curve that wraps around your field of view, making gaming more immersive and natural. This design helps reduce eye strain and keeps you comfortable during long gaming sessions. NVIDIA G-SYNC and AdaptiveSync support keep gameplay fluid and responsive without screen tearing or stutter. It’s perfect for competitive gaming and fast-paced action where timing matters most. The monitor supports HDR with a peak brightness of up to 1000 nits, giving you deep contrast and lifelike images. Colors appear bright and accurate, enhancing your experience in both games and videos. It includes HDMI 2.1 and DisplayPort 1.4 for modern consoles and PCs, plus USB Type-C and USB 3.2 ports. These options make it easy to connect your devices, charge accessories, and stay organized. The stand adjusts for height, tilt, and swivel so you can find the perfect viewing angle. It’s also VESA mount compatible, giving you even more flexibility in your setup. The Alienware AW3225QF 32″ 240Hz QD-OLED 4K Gaming Monitor delivers elite visuals and features for serious gamers. Specifications: Display : 32″ QD-OLED Resolution : 4K UHD 3840 x 2160 Refresh Rate : 240Hz Response Time : 0.03ms
AOC 24B36X 23.8-inch 144Hz monitor delivers smooth and responsive performance for gaming, work, and daily use. It focuses on fast refresh rate, clear visuals, and reliable IPS panel quality. Additionally, it features a 23.8-inch IPS panel with Full HD resolution (1920 × 1080). This panel provides accurate colors and wide viewing angles, so it ensures consistent image quality from any position. Moreover, it supports a 144Hz refresh rate with 0.5ms MPRT response time. As a result, it delivers smooth motion and reduces blur during fast-paced scenes and gaming. The monitor includes Adaptive Sync technology. Therefore, it reduces screen tearing and stuttering for stable and fluid performance. In addition, it supports HDR10. This improves contrast and color depth, so visuals appear more vivid and detailed. Furthermore, it includes Flicker-Free and Low Blue Light technologies. So it reduces eye strain during long working or gaming sessions. The design also features a slim three-sided frameless layout with HDMI and DisplayPort connectivity for modern setups. AOC 24B36X 23.8-inch 144Hz monitor provides a balanced combination of speed, clarity, and comfort for both gaming and productivity. Specifications: 23.8-inch IPS panel with Full HD 1920 × 1080 resolution 144Hz refresh rate for smooth visual performance 0.5ms MPRT response time for reduced motion blur Adaptive Sync for tear-free and stable visuals HDR10 with Flicker-Free and Low Blue Light features
Xiaomi TV Box S (2nd Gen) 4K Ultra HD Streaming Media Player, Google TV Box with 2GB RAM 8GB ROM, 2.4G/5G Dual WiFi, Bluetooth 5.2 & Dolby Atmos & DTS-HD, Dolby Vision, HDR10+ About this item 4K Ultra HD Image Quality: 4K Ultra HD realizes a more detailed and vivid image for you to immerse yourself in. Dolby Vision & HDR10+: A crisper image in any lighting condition. With Dolby Vision and HDR10+, images now feature a higher dynamic range, and have more amazing brightness, contrast and color than before. HDR images also have more detailed shadows and highlights. Dolby Atmos & DTS-HD: Extraordinary audio experience. As revolutionary spatial audio technology, Dolby Atmos brings the ultimate cinema experience into your living room by surrounding you with powerful sound effects, and also, DTS-HD delivers extraordinarily high-quality sound. Powerful Processor: Accelerated experience: The quad-core CPU delivers efficient performance. With high-performance GPU, the TV can now become your new entertainment platform. The 2GB RAM + 8GB ROM combo offers a smoother viewing experience. Google TV: Entertainment you love, with a little help from Google. Google TV brings together movies, shows, and more from across your apps and subscriptions and organizes them just for you. Discover new things to watch with recommendations based on what you watch and what interests you, from across your subscriptions and content available to you. Ok Google: Your TV is more helpful than ever. Ask Google to find movies, stream apps, play music, and control the TV – all with your voice. Even get answers, control smart home devices, and more. Just say “Ok Google” or press the Google Assistant button on the remote to get started. 360° Bluetooth & IR Remote Control: The intuitive button layout and Bluetooth allows you to access your favorite content much quicker from any angle. With the built-in IR, you can also control power and volume on your TV or soundbar, all with a single remote. Wireless Projection: Upgraded viewing angle. Chromecast Built-in makes it easier to project content from smart devices onto the TV, which allows for a wider viewing angle. Mainstream Ports: Enable more possibilities. Abundant options of mainstream ports that allow easy expansion without restrictions. Get up and running in 3 simple steps: 1. Attach Xiaomi TV Box S (2nd Gen) to your TV HDMI port. 2. Connect to the Internet. 3. Start streaming. (Xaomi Quality Trustworthy. “TechFuture US” Store provides 13 months warranty for this product(ASIN: B0BZC43HX8).) Show less
Philips 24E2N2100 is a 23.8-inch Full HD IPS monitor designed for smooth visuals and accurate color performance. It supports a 1920 × 1080 resolution with a 120Hz refresh rate and 1ms MPRT response time for fast motion clarity. The IPS panel provides wide viewing angles and consistent image quality. Additionally, it includes Adaptive Sync for reduced screen tearing and smoother gameplay. LowBlue Mode and Flicker-Free technology help reduce eye strain during long sessions. Moreover, HDMI 1.4 and VGA connectivity support standard PC and laptop setups. SmartImage presets adjust display settings based on content type. The Philips 24E2N2100 delivers reliable performance for work, media, and casual gaming. It combines IPS color accuracy with high refresh smoothness for everyday use. Specifications: 23.8-inch IPS display with Full HD 1920 × 1080 resolution 120Hz refresh rate for smoother motion performance 1ms MPRT response time for reduced motion blur Adaptive Sync support for tear-free visuals LowBlue Mode and Flicker-Free technology for eye comfort
The MSI MAG 275CQF E18 is a 27-inch curved gaming monitor built for immersive and smooth gameplay with WQHD resolution (2560 × 1440). It delivers vibrant visuals and responsive performance for gamers seeking clarity and speed. Furthermore, its rapid panel enhances action scenes and detailed environments effectively. It features a 180 Hz refresh rate and a 0.5 ms (GtG) response time, which help reduce motion blur and improve tracking in fast‑paced games. In addition, Adaptive‑Sync support minimizes screen tearing for fluid gameplay. The Rapid VA panel produces rich colors and deep contrast. Moreover, HDR Ready technology enhances contrast and shadow detail for more realistic visuals. Anti‑Flicker and Less Blue Light technologies improve viewing comfort during long sessions. As a result, players stay focused and comfortable. The monitor also supports AI Vision, which boosts brightness and color saturation in darker scenes. In addition, HDMI™ CEC console mode improves compatibility with game consoles. Consequently, MAG 275CQF E18 provides enjoyable gaming whether on PC or console. This monitor combines high refresh performance, curved immersion, and advanced color features to enhance both competitive and casual gaming experiences. Specifications: 27-inch WQHD (2560 × 1440) curved Rapid VA panel 180 Hz refresh rate with 0.5 ms (GtG) response time Adaptive‑Sync support for smooth performance HDR Ready with Anti‑Flicker and Less Blue Light technologies AI Vision and HDMI™ CEC console mode compatibility
256GB SSD Apple Macbook Pro Air 2013 2014 2015 A1502 A1398 A1466 A1465 | Samsung MZ-JPU512T/A06 | 655-1805D ORIGINAL APPLE PART (Apple sources their SSD’s for MacBooks from Samsung) A1502 – A1398 – A1465 – A1466 100% TESTED WORKING Please check compatibility below before you make your purchase: COMPATIBILITY: MacBook Pro Retina Late 2013 – Mid-2015 MacBookPro11,1 (A1502) – ME864LL/A, ME866LL/A, ME867LL/A, MGX72LL/A, MGX92LL/A, & MGXD2LL/A MacBookPro11,2 (A1398) – ME293LL/A & MGXA2LL/A MacBookPro11,3 (A1398) – ME294LL/A, ME874LL/A, MGXC2LL/A, & MGXG2LL/A MacBookPro11,4 (A1398) – MJLQ2LL/A MacBookPro11,5 (A1398) – MJLT2LL/A & MJLU2LL/A MacBookPro12,1 (A1502) – MF839LL/A, MF841LL/A, & MF843LL/A MacBook Air Mid-2013 – Late 2015 MacBookAir6,1 (A1465) – MD711LL/A, MD760LL/A, MD711LL/B, & MF067LL/A MacBookAir6,2 (A1466) – MD760LL/A, MD760LL/B, & MF068LL/A MacBookAir7,1 (A1465) – MJMVM2LL/A MacBookAir7,2 (A1466) – MJVE2LL/A Model Identifier: Samsung Manufacturer Part# MZ-JPU512T/A06
Apple Magic Mouse: Wireless, Bluetooth, Rechargeable. Works with Mac or iPad; Multi-Touch Surface - White (Pre-Owned) Apple Magic Mouse: Wireless, Bluetooth, Rechargeable. Works with Mac or iPad; Multi-Touch Surface – White (Pre-Owned) About this item WIRELESS, RECHARGEABLE CONVENIENCE — Magic Mouse connects wirelessly to your device via Bluetooth. And the rechargeable internal battery means no loose batteries to replace. WORKS WITH MAC OR IPAD — It’s ready to go right out of the box and pairs quickly with your Mac or iPad so you can get to work right away. SWIPE AND SCROLL ON THE MULTI-TOUCH SURFACE — The Multi-Touch surface allows you to perform simple gestures such as swiping and scrolling. And an optimized foot design lets Magic Mouse glide smoothly across your desk. GO WEEKS WITHOUT CHARGING — The incredibly long-lasting internal battery will power your Magic Mouse for about a month or more between charges. Comes with a woven USB-C to Lightning Cable that lets you pair and charge by connecting to a USB-C port on your Mac or iPad. SYSTEM REQUIREMENTS — Requires a Bluetooth-enabled Mac with OS X 10.11 or later or an iPad with iPadOS 13.4 or later.
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 Horion Interactive Flat Panel 65″ transforms any space into a dynamic and interactive environment. Whether in classrooms or conference rooms, it enhances collaboration and productivity. Featuring a stunning 65-inch 4K UHD display, the Horion Interactive Flat Panel delivers crystal-clear visuals and vibrant colors. This ensures every detail is visible, making presentations and lessons more engaging. The Interactive Flat Panel comes with advanced touch technology, allowing multiple users to interact with the screen simultaneously. This fosters teamwork and encourages active participation. With built-in annotation tools, the Interactive Flat Panel 65″ makes it easy to highlight key points and add notes during presentations. These tools are intuitive and user-friendly, making it accessible for everyone. Connectivity is seamless with the Interactive Flat Panel. It offers multiple ports, including HDMI, USB, and wireless options, ensuring compatibility with various devices. This flexibility makes it easy to integrate into your existing setup. The Interactive Flat Panel 65″ is designed for ease of use. Its user-friendly interface and responsive touch screen make it simple to navigate and control. Whether you’re a teacher or a business professional, you’ll find it easy to use. In addition, the Interactive Flat Panel includes powerful built-in speakers, delivering clear and immersive audio. This enhances the overall experience, making it ideal for multimedia presentations. In conclusion, the Horion Interactive Flat Panel 65″ combines stunning visuals, interactive features, and ease of use for a superior collaborative experience. Upgrade your space with the Interactive Flat Panel and boost engagement and productivity today. Specifications: Display : 65″ Resolution : 4K (3840×2160) Refresh Rate : 60Hz CPU : Octacore Ram : 8GB Memory : 128GB GPU : Mali G52-MP8 OS : Android 13.0 Sensor : Infrared, NFC, Light Sensor
