WALL IR MOTION SENSOR WITH AMBIENT LIGHT LEVEL SENSORHas one relay (equal to single pole switch) Can turn a load on and hold it as long as the sensor detects occupancy After no motion is detected for the set time delay, the load turns off automatically Detects difference between heat emitted from human body in motion & background space Capacity Level 120V AC 60Hz Tungsten 800W Ballast 800VA Resistive 12A Motor 1 4HP Time Delay 15 sec ~ 30 min Light Level 30 Lux Daylight Operating Temperature 0C ~ +55C