This energy saving compact JD Tungsten Halogen tubular lamp runs on 100 Volts and is an ideal replacement for a conventional incandescent bulb. The 75 Watt tubular capsule bulb features a E11 (11mm screw cap) base and provides a crisp white light suitable for display cases lounges ceiling fans retail stores museums and even restaurants. The lamp life of this bulb is 2000 hours twice that of an incandescent.