safety beam photocell for shutters/gates/barriers +

Brand new in box 12-24 volt DC output. The sensor unit is designed to be fitted to one side of the opening and the reflective disc is to be mounted directy adjacent to it on the opposite side of the opening, therefore wiring is only required at one side. The sensor unit emits an infra-red light beam across the opening to the reflective disc on the opposite side. This comes pre-wired with 2 metres of cable. can post free of charge