Infrared beam barrier for doors and windows. Height of 0.5 m with two detection beams each composed of two rays operating in AND logic (to interrupt the beam, interrupt both rays). It is also possible to set the AND function between two beams in order to prevent false alarms. Wired synchronism connection between the two bars. Range: indoor 30 m; outdoor 15 m. Minimum distance between the bars 40 cm. Absorption 50 mA. Operating temperature -10 ÷ +65 °C. Protection rating IP54. Width 25 mm, depth 22 mm. Black.