Projector system:LED lamps projection, (3.5inch lcd panel )Resolution: Native 800*600, support 720P, 1080PBrigness :1500 LumensContrast: 800:1Color : Full color 16.7 milionScale ratio : 16: 9 and 4:3Keystone : 15 degreeLens type : Manual FocusLamps power : 50WLamps life : 20000 hoursTotal consumption power :70WPicture size : 50inch – 100inchProjection distance :1.5 m- 4.5mInterface : AV/VGA/HDMI/YPBPR/S-VIDEO/TV/USBColor: black/white/redVoltage : 110-240V/50-60HzProjector size:20*16*6.5cmpackage size:29.8*26.5*13.3cmWeight :2.5kgs