Pair of unique wall-mounted photocells. Their soft design makes them usable on all types of gates, both residential and industrial. The optical unit can be oriented via a simple yet effective mechanical system that guarantees maximum mobility and long-lasting durable attachment. The IP65 rating is guaranteed by seals around the entire perimeter of the unit, but also by the internal double insulation of the electronics via a second cover whose purpose is precisely to protect the electronics from insects and/or infiltration. Accepts power from 12 to 24 V AC/DC, guaranteeing a range of action of 20 m, even under strong sun, fog, rain, or snow.