HD 1000 Lumens Home Theater Projector,GoerTek&reg; Portable Mini Multimedia LED Video Projection (Black) IMAGE SIZE:37-130 Inches; Projection Distance: 1.2-3.8m ; ASPET RATIO 4:3/16:9 ; NATIVE RESOLUTION: 800x480,Compatible resolution with 800x600, 1024x768, 1280x800, 1920x1080 . +/- 15 Degrees KEYSTONE CORRECTION , adjusting the picture trapezoidal distortion . LED BRIGHTNESS Up to 1000 lumens (Max) ,LED LAMP lIFE of 20,000 hours. Multi-function Input : USB/SD/VGA/HDMI/AV/TV . The projector is NOT RECOMMENDED for PPT or business presentation, ideal for home theater movies and video game use.