Our SkyVision Indoor LED Lifts have a built-in 12′ wide high resolution LED screen and can be used indoors, or outdoors in the evenings. They are compatible with virtually any type of video input signal whether from a computer or high definition video source, and are equipped with a multi-input video switcher for easy source selection from HDMI, VGA, and DVI inputs. Powering requirements is (3) 20 amp circuits, 120VAC single phase. This allows the lift to be powered from regular wall receptacles on three circuits, or it can be powered from a generator.