Outdoor WIRELESS OPTEX upper and lower beam infrared passive curtain detector with a maximum range of 5m. Ideal for doors, balcony doors and generally for areas where we want beam coverage. Possibility to adjust the range to 2 or 5 meters. (at a mounting height of 1.2m) and 190° rotation. 2°C sensitivity at 0.6m/s. Operating voltage: 9.5~18VDC / 17mA (max) NO/NC Alarm output (optional). Operating temperature: -20°C, +60°C, IP55 Installation height 0.8~1.2m Dimensions: 3.5 (W) x 15.5 (H) x 4.2cm (D) Tamper switch for the wall is optionally provided.