High-Definition Viewing Experience Supports 1080P resolution with an 800:1 contrast ratio, delivering clear and vibrant visuals for movies, videos, and presentations Versatile Usage Perfect for home theaters, business meetings, educational training, and entertainment, providing a convenient and immersive experience Ideal for Any Occasion Great for Christmas, Thanksgiving parties, family movie nights, sports events, TV shows, and gaming, bringing high-quality projection to any setting Efficient Cooling System Equipped with a high-efficiency cooling fan for stable and uninterrupted 24-hour operation, ensuring long-lasting performance Multiple Connectivity Options Features a complete extension interface, compatible with headphones, computers, set-top boxes, audio devices, DVDs, U-disks, and more Eye-Friendly Projection Utilizes diffuse reflection imaging technology to reduce eye strain and visual fatigue, providing a more comfortable and healthier viewing experience Specification: Imaging unit: LCD Resolution: 320*240 Brightness: 400~600 lumens Light source type: LED LED light lifespan: 20000 hours Languages: 23 kinds Image size: 60-400 inches Projection ratio 4:3 /16:9 Contrast ratio: 800:1 Whole machine power: 10W~24W (Max) Input interface: USB/AV Interface output: headphone Input voltage: 5V-2A Product size: 114*91*51mm Product weight: 0.26KG Function: Can read U disk, mobile hard disk, TF card, AV with DVD, set-top box