Double technology motion detector for roofs with antimasking : Infrared (IR) and microwaves (MV). Radio : 10 meters with 18 curtains. Outputs: Alarm (NC) and tamper (NC). Installation height: 2,5 to 5 meters.180º or 360º field of vision. Power supply: 12VDC. Working temperature: -18ºC to 55ºC. Dimensions: 138 x 66 mm. Security grade 3 certified.