This Dual technology Ceiling Sensor combines PIR and ultrasonic technologies into one unit to achieve precise coverage in detecting occupancy. With light level, isolated relay. Up to 2000 sq feet.

WATT STOPPER DT200 LIGHT LEVEL SENSOR WITH ISOLATED RELAY TYPE; 3.4 INCH WIDTH X 2 INCH DEPTH X 4.4 INCH HEIGHT SIZE; WHITE FINISH; UL CUL APPROVAL; CLASSROOM COMPUTER ROOM LARGE OFFICE OPEN OFFICE WAREHOUSE APPLICATION; 18 TO 24 VOLT AC/DC VOLTAGE RATING SENSOR WITH ISOLATED RELAY TYPE; 3.4 INCH WIDTH X 2 INCH DEPTH X 4.4 INCH HEIGHT SIZE; WHITE FINISH; UL CUL APPROVAL; CLASSROOM COMPUTER ROOM LARGE OFFICE OPEN OFFICE WAREHOUSE APPLICATION; 18 TO 24 VOLT AC/DC VOLTAGE RATING