Fangrui Product Details 1. Can Read U Disk, Mobile Hard Disk, Set-top Box, Dvd, Memory Card, Computer, Wirelessly Connected Mobile Phone, , Etc. 2. Built-in Cavity Speaker, High-fidelity Speaker Unit, Metal Bass Diaphragm, Real And Effect 3. Optical Lens, Straight-forward Focusing Mechanism, And Limit Mechanism Accurate And Smooth Focusing Without Lagging. 4. Rich Interfaces To Connect Multiple Devices 5. The Efficient And Stable Heat Dissipation Design Significantly Improves Led Heat Dissipation, Keeping The Led In A Low-temperature Environment With Long-lasting And Stable Brightness; The Whole Machine Has Undergone Rigorous High-temperature Aging Tests To Long-term Stable Operation; Description: 1. Imaging Unit: Lcd 2.resolution:1280*720 3.ansi Lumens: About 180 4. Throw Ratio: 1.25:1 5.light Source Type: Led 6.contrast Ratio:1000:1 7.image Ratio:16:9/4:3 8.language: 23 Languages 9. Image Size: 36-150 Inches 10. Machine Power: 75w (max) 11. Working Voltage: 100-240v/50-60hz 12. Input Interface: /usb/av 13.colour:as Shown 14.