LevNet RF Wireless, Self Powered, PIR, Surface Mount Occupancy Sensor, Extended Range, 1200 sq ft FOV, Minor & Major Motion, 902MHz, Dual Solar Cell, red LED, 60 Sec transmitter, 24V Connection or Battery Backup for zero light areas, Title 24 compliant, ASHRAE 90.1 compliant, White . The self-powered wireless sensor design also overcomes the placement and coverage challenges of traditional sensors.