Westek OMLC163BC Motion-Sensing Light Control is perfect for porches, yards, above a garage or other areas where you need light. Lights will automatically turn on when motion is detected and turn off 10 minutes after motion stops. The control detects motion in a 180-degree radius and within 20 feet when mounted 8-feet above the ground. Easy installation, screw the sensor into any existing light socket, then install a lightbulb of choice into the control. Compatible with compact fluorescent, LED or incandescent bulbs up to 150 Watts.