Projector System LCD Panel + LED Lamp Native Resolution 1280x800 720P;Support 1080P Brightness 3200 lumens Contrast Ratio 2000:1 Lens manual focus Lamp led lamp; 50000hours Interface Input HDMI 1/HDMI 2/USB 1/USB 2/VGA(PC)/ Composite AV/Headphone Optional Function ATV/Android Aspect Ratio 16:9/4:3 Color Black Image Flip 360 Degree flip up Projection Size best size 50" - 150" Projection Dsitance 1m - 5m Projection Method Table Top. Front. Rear. Ceiling Mount. Build-in Speaker 2w Keystone ± 20°