Satco S2454 Energy Saving Halogen Light Bulb, 53 Watts, 120 Volts, 1050 Initial Lumens, BT15 Lamp Shape, Medium Base, E26 ANSI Base, 2900 Kelvin Temp, 1000 Average Rated Hours 53 Watts, 120 Volts, 1050 Initial Lumens BT15 Lamp Shape, Medium Base, E26 ANSI Base 2900 Kelvin Temp, 1000 Average Rated Hours Energy Saving Halogen, Uniform light output