Get the security benefits of Dusk to Dawn Lighting + the convenience of Motion Activated Lighting. These professional grade RAB dusk to dawn sensors turn on at low power automatically when it starts to get dark. They brighten to 100% power whenever movement is detected. Choose a dusk to dawn sensor in the mounting style that works for you. We stock post mount dusk to dawn sensors, box mount mini sensors, an easy to aim swivel sensor, and a SmartPlate sensor that fits under most decorative lanterns.