Mini Projector CiBest? Portable Home LED Projector LCD Multimedia Video System HDMI interface for Home Theater Cinema Video Games TV Movie with HDMI Cable(GM50) Multi input interface, support AV/VGA/USB/SD/HDMI/Mirco USB Native Resolution: 480x320 pixels. Easy switching aspect ratio between 16:9 and 4:3 Using of the 20,000 hours long life RBG-LED lamp, which makes it more colorful and abundant details Professional trouble shooting and protection design. Optical trapezium adjustment function, picture proportion is not distortion after adjustment Recommend to use in dark environment, perfect for party, halloween, xmas, home theater,video games,ect (NOT FOR TEACHING,BING MEETING,HD PROJECTING)