This is the ultra portable yet highly powerful LED projector is well suited for watching movies, giving presentations or trainings, anytime, anywhere, It is a 100 lumens projector and is great for 10-20 people in a reasonably dark room, 80 inch diagonal screen length can be easily achieved by keeping the projector 8 feet away from the wall or the screen, Beem 100 you can play, from your android smartphone or iPhone/iPad, your mobile games, videos, pictures on the big screen with no lag, while charging your phone at the same time (you can buy appropriate cables for this), One can enjoy movies through the SD card, USB drive or through your computer anytime and anywhere