Cooper AHOEC-U-1001 White Off Standard Ultrasonic One-Way Sensor 180� 1000Sqft
Cooper #AHOEC-U-1001 off white one-way sensor (manufactured by Novitas for Cooper; both are now divisions of Eaton). Standard ultrasonic sensor with a 180 degree field of view. Features a 1000 square foot range.
OEC-U-1001 Cooper Off White Standard Ultrasonic One-Way Sensor 180° 1000Sqft
The OEC-U-1001 is an ultrasonic occupancy sensor, which detects occupancy by using the Doppler principle to monitor changes in sound waves. Because it is not dependent on line-of-sight, it is effective in oddly shaped rooms or areas with obstructions.