Detects for intruders walking through the invisible infrared beams between the two sensors (T for transmitter, R for receiver); can be up to 6m / 20 ft apart
$ 81.77
$ 62.90
Detects for intruders walking through the invisible infrared beams between the two sensors (T for transmitter, R for receiver); can be up to 6m / 20 ft apart
$ 66.09
$ 50.84
$ 78.35
$ 60.27
$ 88.65
$ 68.19
$ 22.00
$ 45.00
$ 83.38
$ 64.14
$ 86.10
$ 66.23
$ 74.82
$ 57.55
$ 16.99
$ 63.49