The TORK 3000 Single Pole Single Throw Flush Mounting Lexan Housing Photo Control automatically turns your outdoor light(s) on when it gets dark. The weatherproof construction of the photo control and lens prevents moisture and airborne contaminants. It is perfect for your Pole Lanterns, Lawn Lighting, Walkways applications. Our Photocell responds to the light spectrum near to that of a human eye. It works with screw based CFLs for energy savings.