The SensorSwitch WSRA is a wall switch occupancy sensor solution is ideal for light commercial and residential applications. With Passive Infrared Sensing (PIR) the WSRA provides quality sensing performance optimized for your space. This beautiful wall switch has a screwless wall plate design with a modern design that will compliment any space. Compatible with the new SSW Series of sealed screwless wall plates (ordered separately). Sealed wall plates are available in three color finishes and are designed to protect the device from liquid intrusion.