Buy from Amazon : br Sunsbell? Portable Projector USB SD HDMI VGA HD Laptop LED Video 720P Mini Projector 60 Lumensbr br 100 brand new and high qualityIt is for home use not helpful for business report meeting room and teaching br With LED light sourceMultimedia Function Supports 1080P HD with VGA HDMI TV interface br The item can be directly connected to a TV set-top boxSTB to watch TV read SD cardor device with USB br Manual focus adjusting get picture from 12 to 25 Meters Help you enjoy watching moviesplaying games anytimeYou need turn off the lights when you use it br Easy changing in 169 and 43 aspect ratio Low power consumption echo-orientedVehicle power supply supported easy to use