SensorWorx SWX-131-IV Wall Switch Sensor - Dual Tech + Daylight Detection - 1-Pole - Auto On - 120-277V - Ivory FinishSensorWorx SWX 131 IV SWX 131 IV Product Description The SensorWorx family of wall switch occupancy sensors provides a simple yet cost effective lighting control solution for many retrofit applications. Designed with contractors in mind, the SensorWorx wall switch sensor is significantly shallower than typical sensors, resulting in less crowded wall boxes. Additionally, versatile wiring enables usage with or without a neutral and allows reversal of