Flylinktech Multimedia 1000 Lumens Mini LED Projector AV\VGA\USB\SD\HDMI\TV Input for Home Cinema Theater Video Games -Black Best Performance In Dark Environment:native resolution: 800*480,support:800x600;1024x768,1280x800,1920x1080 ; Brightness: 1000 Lumens; Contrast:1000:1; Aspect Ratio: 4:3/16:9. Multi-Function Input To Meet All Kinds Of Daily Occasions:AV\VGA\USB\SD\HDMI\TV,3.5mm audio input;Please choose the right input signal such as HDMI OR USB in projector when connect any devices. Screen Size Up to 130 inches:Projection distance:1.2-3.8M to Provide 37-130 Inches Images.With15 degree keystone correction,adjusting the picture trapezoidal distortion.We suggest best Projection Distance:1.5-2M; best Projection Size:49-80 inches,which can make you obtain best User Experience.Also When use the controller,first please confirm the controller in power then align the IR transmitter. Super bright LED light source,20,000 hours Long Lamp Life and low power consumption.We suggest the projector had a break after working 3-4 hours avoiding overheating,treating it good,Since professional cooling system installed,little noisy when using the projector,this will extend its working life. System Support:Multi-media (Music, Picture, Video, TXT),But Not Support Dolby Audio because of copyright.Not recommended for PPT or business presentation,ideal for or home entainment and outdoor movies.