Leviton LevNet RF Wireless Self Powered Occupancy Sensor PIR 450 Square Foot 315MHz Enocean Title 24 ASHRAE 90.1 Compliant White (WSC04 IRW) backorder1428 RAB VanLED Vandalproof 6W 4000K S99420040 RAB VanLED Vandalproof 6W 4000K LED Ceiling Mount 6 Inch X 8 Inch (VAN1LED6NW) This single R30 cylinder flush mount puts broad reflector light where you need it — hallways NOTABLE FEATURES: The Wireless Occupancy Sensors (WSCxx IRW) have built in solar cells that draw on available ambient light to power themselves and can operate for up to 48 hours in total darkness Self powered wireless sensors enable flexible placement allowing sensors to be mounted wherever needed without the complexity of moving or installing new wiring