Hikari JCD 6905S - 20 Watt Halogen Light Bulb - T4 - G8 Base - Clear - 2,000 Life Hours - 180 Lumens - 130 Volt Base: G8 (8 millimeters between pins) Volts: 130 Watts: 20 Length: 35mm Width: 12.5mm Life (at 120 Volts): 2000 Hours