SensorWorx SWX-113-1-GY Wall Switch Sensor - PIR + Daylight Detection - Manual On - Stand Alone - 12-24V- GraySensorWorx SWX 113 1 GY SWX 113 1 GY Product Description The SensorWorx family of wall switch occupancy vacancy sensors provides a simple and cost effective lighting control solution for many applications. Just like its line voltage counterpart, the low voltage SensorWorx wall switch sensor is designed with contractors in mind. Less than 1 deep, the unit is 25 40% shallower than typical dimmers and sensors, resulting in less crowded wall boxes.