Active IR barrier with 2 beams. Range: 20m. Allows column, pole or wall mounting. Has compact design with IP65 structure. Moreover, the distance between the upper and downer optics and their width is ideally designed to produce a smart pattern detection, that reduce false alarms by detecting only human intruders. Alignment angle: +/- 90º horizontal, +/- 5º vertical. Power supply: 10.5 – 28 VDC. Operating temperature: -35ºC / +60ºC (-30ºF / + 140ºF).