The Westgate Mfg UCSENS-PIR-1 is an IR passive infrared motion sensor designed for hands-free auto on/off control of under cabinet and task lighting in residential and commercial indoor environments. It supports a 4-inch (10 cm) detection range with a 120 sensing angle and handles loads up to 72W, making it compatible with standard Westgate UCR under cabinet fixture runs. Operating range is -20C to 40C with a 5-year warranty.