FreyrRay Pico DLP 3D Wifi Projector 1080P 200 Lumens Full Hd Miracast Airplay Cinema With USB HDMI Portable Multimedia for Video Movie Game Business Home Theater Mini Portable projector with 854*480 (compatible 1280*800) display of projection size ranging from 30-120 inches, your ideal choice whether for your personal home theater, or office team meetings. Large capacity 5000mAh built-in rechargeable battery, running for up to more than 2 hours with a single full charge when the external power is not available