Product description: Features: Portable mini projector with long lifespan up to 20000 hours .Enjoy visuals at a best resolution of 800 X 480 Pixels .Can be connected with computers and smart phones by HDMI cord or VGA dock .Low power consumption Easy changing in 16:9 & 4:3 aspect ratio.Specifications:Projector System:4 inch LCD TFT displayNative Resolution:800 *480, max support 1080PBrightness:800 LumensContrast Ratio:1000:1Image Flip:360 degree flipLens:3 pieces of glass lenses manual focusAspect Ratio:16:9 & 4:3Language:Support Multi-languages,total 23 languagesLamps Type:LED 40W, 50,000 hours lifePicture Size:20-80 inchNoise:<25 dBWorking Voltage:110-240V / 50-60HzInterface Input:HDMI/VGA/USB/AV/AUDIO OUTOptional Function:ATV / DVB-TMachine Size:21*15*8 cmWeight:1.3KG