Supervised volumetric passive infrared detector. Black mirrored triplex fan for optimal detection and excellent immunity to white light. 18 m volumetric coverage with zero zone detection and optional 30 m curtain lens. SiWay Protocol. Lithium battery 3 V, type 2 / 3AA. ID code 24 bits encrypted. Event transmission alarm, tamper, test, supervision and low battery. Automatic temperature compensation. Supervision time of 7 minutes. Mounting height: 1.8 to 2.2 m Operating temperature: -10 to 50 ºC. Dimensions: 136 x 55 x 57 mm.