Detector PIR with optics of mirror route I remove Power G. Coverage of 15m, 90 º. Optics of mirror offers a high sensibility of detection and immunity to false alarms. I design anti-vandálico (small, sunked and robust groove of lens). Easy to install, it is not necessary to have vertical adjustment. Frontal and back Tamper. There works with 1 battery of lithium of 3V type CR123A. Dimensions: 115 x 60 x 48 mm.