Passive infrared detector via bidirectional radio 868 MHz. Certified EN50131, Grade 2. Range 25 m. 20º curtain lens. Mounting height: 1.8 to 2.4 m. Optional wall or ceiling mount. Compatible with Pyronix systems. Blue Wave technology. Fully supervised: Tamper, fault, low battery. It works with 1 lithium battery, type CR123A of 3 V. Autonomy 2 years. Operating temperature: -10º to 40ºC. Dimensions: 117 x 69 x 50 mm.