This product is an Ushio 1000047 BCK, INC120V-500W incandescent light bulb primarily designed for projector applications. It uses 120 volts and 500 watts. This bulb has a G17T-7 base, and an expected life of 50 hours.
Ushio supplies a full range of Incandescent light bulbs available with Single and Double Contact Bayonet, Candelabra and Mogul Screw, and various Prefocused base types, coatings, and wattages. These lamps are designed for Overhead, Film, Optical and Slide projection systems.