Lithonia WSX PDT WH Wall Switch Decorator Sensor - Dual Technology (Pdt) White

Intended use wall switch decorator sensor features patented dual technology with pir / microphonics detection, auto sensitivity adjustment, small detection up to 20 ft, intrinsically grounded, adjustable time delay, green led indicator listings ul and cul listed construction sensors with passive dual technology (pdt) first see motion using passive infrared (pir) and then engage microphonics to hear sounds that indicate continued occupancy. this patented technology uses automatic gain control (agc) to dynamically self adapt a sensor to its environment by filtering out constant background noise and detecting only noises typical of human activity. optics patented dual technology with pir / microphonics detection electrical the sensor is line powered and can switch line voltage. installation mounting single gang switch box.