Occupancy Sensor low voltage lighting control, Ceiling Mounted 8'-20', 500 sq ft, 24VAC/VDC, Ultrasonic, 1A 30VAC/DC Isolated Relay, Title 24 Compliant, USMCA Compliant, Color: Global White Small Size: Installed sensor appears almost invisible.Fast Simple Installation: Easy ceiling mount, three wire connection (low voltage) and twist-lock sensor attachment.Accurate, Consistant Switching: Occupant complaints are eliminated; lights are on when room is occupied, off when empty. annoying false-offs are minimized and lights on at night is eliminated.Self-Adapting: An internal microprocessor continually analyzes, evaluates and adjusts settings. Performance is kept at a maximum and user complaints are eliminated.Maximum Reliability, Low Cost: All digital circuitry uses a minimum of components.Non-Volatile Memory: Learned and adjusted settings saved in protected memory. Power outages will not cause status loss.Excellent Warranty: 5-Year Limited warranty.Typical Applications: Cafeteria, Computer Room, Office w/Cubicles, File Room, Partitioned Restroom, Warehouse Open Area, Work Space General, Workout Facility, Gymnasium, or Hallway