Heath Zenith SL-5680-BZ 13 watt fluorescent entry light in white finish. Mounting Hardware Included. Up to 3,000 sq. ft. Light Coverage Area. Uses 1 13 W CFL Bulb (Included). Up to 10,000 Hour Bulb Life. 2 Year Warranty. Operating Temperatures: + 14 F to + 120 F. 4.625 w x 6.375 d x 8.125 h in.