This exterior wall pack fixture uses a long-lasting 10,000 hour 23 watt TCP SpringLamp to deliver a 1600 lumens of light. It is UL approved for wet locations, and has a minimum rated start temperature of minus 20 degrees Fahrenheit. It comes with an integrated photocell which will prevent operating during daylight hours. * Power Requirements: 120 volts AC, 50/60 Hz * Dimensions: 7.4 inches wide, 10 inches high, 4.4" deep * Base type: GU24 * Color Temperature: 2,700 degrees Kelvin * Minimum Start Temperature: -20 degrees Fahrenheit * Maximum Operating Temperature: 160 degrees Fahrenheit * Rated Lamp Life: 10,000 hours * Manufacturer Warranty: 2 years (fixture), 1 year (lamp)