Advanced ultrasonic sensing technology for highly accurate monitoring, including small-motion detection. All-digital self-adjusting technology provides "install and forget" solution for automatic lighting control. Use with Leviton Power Pack or, where compatible, Centura Dimming Power Pack. Ideal for restrooms, office areas with cubicles, warehouse and storage facilities, cafeterias, and public areas in commercial facilities. Meets ASHRAE Standard 90.1 requirements All devices are white. See catalog page for more information.