Projector System 2.4 inch LCD TFT display<br>Native Resolution 480x320 Native, support 576P/720P<br>Brightness 200 Lumens<br>Contrast Ratio 1000:1 Dynamic <br>Image Flip 360 degree flip<br>Lens 3 pieces of glass lenses,manual focus<br>Aspect Ratio 16:9 &amp; 4:3<br>Language English/French/Spanish/Portugual/German/Russian /Chinese,total 23 languages<br>Lamps Type LED 20W, 50000-hour life<br>Electric Zoom Yes<br>Picture Size 20-100 inch<br>Keystone N/A<br>Noise &lt;25 dB<br>Working Voltage 90-240V / 50-60Hz<br>Interface Input HDMI/USB/SD/AV/AUDIO OUT/Analog TV/VGA<br>Machine Size 16.8*11*7cm<br>N.W./G.W. Per Piece 0.5KG / 0.85KG