Indoor/outdoor, screw-in light control. Turns incandescent candelabra based light bulbs on at dusk and off at dawn. Spring loaded contact allows for proper sensor orientation. Simulates home occupancy and ends coming home in the dark. Plastic housing material. Uses up to (1) 60-watt candelabra base bulb. 1.4 In. W. x 1.85 In. L. x 1.4 In. D.