WattStopper® Dual technology wall switch sensor turns lights off and on based on occupancy and contains two relays for controlling two independent lighting loads or circuits. It combines the benefits of passive infrared (PIR) and ultrasonic detection technologies for high sensitivity to small and large movements. Replaces existing wall switches and fits behind a standard decorator wall plate. High sensitivity and dense coverage for exceptional performance. Two relays for control of two separate lighting leads or circuits. Allows multi-way control from one of up to four control locations. colour-matched lens and low profile for appealing design. Optional neutral connection with break off tab to expose neutral terminals. Defaults to auto-on operation for maximum energy savings. Load: 0 to 1200 W ballast and LED, 1/6 HP.