Designers Edge H11056 10-Inch 1200-Watt Replacement Tungsten Heat Lamp Bulb Replacement heat lamp bulb is 1200-Watt 130-Volt bulb Designed for use with outdoor radiant heater H-12010 or H12010 Made for Designers Edge Heat Zone Patio and Shop Light Heaters Infrared heating technology - radiant heat warms the skin up to 8 -Feet in front of the heating element