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
$ 42.63
$ 37.00
$ 70.00
$ 47.00
$ 33.58
$ 52.21
$ 37.00
$ 52.03
$ 40.02
$ 53.38
$ 41.06
$ 36.00
$ 55.12
$ 42.40
$ 74.00
$ 208.51
$ 95.30