This is the ultra portable yet highly powerful LED projector is well suited for watching movies giving Presentations or Trainings anytime anywhere Beam 100 is better in brightness and flexibility of use It is a 100 lumens projector and is great for 1020 people in a reasonably dark room 80 inch diagonal screen length can be easily achieved by keeping the projector 8 to 10 feet away from the wall or the screen One can enjoy movies through the SD card USB drive or through your computer anytime and anywhere The device is also useful for professionals onthego to present important presentationsslides and information to a group With Beam 100 you can play from your Android Smartphone or iPhoneiPad 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 Beam 100 also has an inbuilt speaker so that you can listen to the audio content in the video even when using a pen drive