Eiko H1157-BP Halogen Lamp (Pack of 1) These halogen lamps feature high performance tungsten filaments which produce a brighter, whiter light 12.8 Volts, 50/15 Watts, 3.91/1.17 Amps T-4 bulb and DC Index Bayonet base Average bulb life is 250/400 hours Lumens 1355/300