Infrared Sensor Module ~ 30 Feet 
Power supply for transmitter: 12 VDC 20mA max
Power supply for receiver: 12 VDC with signal 15mA, without signal 50mA
The OUT point output is active "HIGH" when the RX has signal and is active "LOW" when the TX has no signal.
Delay Timer: adjustable between 1 to 10 second
The operation can be reflective or barrier.
Detecting distance for reflective is approx. 3 ft
Detecting distance for barrier is approx. 10 - 30 ft
PCB dimensions : 2.33x2.33 inch. For TX (Transmitter) , 2.77x2.38 inch. For RX (Receiver)
Recommended Housing : FB04 for both TX and RX