Heath/Zenith SL-5212-WH-A Screw-In Motion Sensor Light Control, White Screw-in light control transforms existing light fixture into a motion-sensing security light Detects motion up to 60 feet and in a 110-degree area; adjustable sensitivity Auto shut-off after 1, 5, or 10 minutes; photocell keeps light off during the day; daytime test mode Uses a 120-watt PAR38 halogen flood bulb (not included); mounting screws for sensor module included Measures 2 inches long by 3 inches wide by 2-1/4 inches high; 1-year limited warranty