Woods® 59416 Indoor Candelabra Light Control Socket with Photocell, 3-PackWoods Indoor Candelabra Light Control Socket Controls driveway lights, coach and entry way porch lights, indoor chandelier or sconces with candelabra base, so you come home to a lighted house. Works with candelabra base light fixtures, with incandescent bulbs. The socket can also be used indoors for lamps and other lighting fixtures. Simply insert this socket unit into your light socket, install the bulb and that's it let the light sensor(photocell)