This mini dlp home projector has many features to choose from . It has the capibility of projecting high quality images and video projection 1080p hd image and size up to 70'' inches with aspect ratio of 4:3/16:9. It has builtin 3.7V , 940 mah. battery which can last up to 40 minutes .It can be charge while using it . It comes also with builtin speaker which is enough for tiny device, micro sd card slot and 3.5mm jack.The cool thing about this moni monster is One can carry along in his pocket or in a bag .