Enerwave ZWN-BPC Z-wave Wireless Ceiling-Mounted Occupancy PIR 360 Degree Sensor, Battery Powered, Z-Wave Association, W 2 free AA batteries, no wiring needed, White ZWN-BPC Occupancy PIR sensor enabled with Z-Wave wireless control and Z-wave association function Detects motions, automatically control ON/OFF/Dimming/thermostat of 5 z-wave associated or group scene devices 360 motion detection, 600 sq.ft range, 4-position adjustable PIR sensitivity Battery-Powered; Low Power Detecting; Easy install, no need of wiring/drilling, 2 free AA batteries; Sensor status can be monitored from PC, tablet or smartphone **Z-Wave hub required. See Technical Details for compatibility list** Long lasting battery life approximately 1 year with low battery detection