... hardwired,all kinds of sensors 1. Description:Pet immune PIR motion detector is designed with high technology. It features high anti-magnetism ... window, veranda, aisle and so on.2. Specification1) Sensor: Dual passive infrared (imported), lowest noise.2) Pet immune: about 15kg.3) Voltage ... proper place where intruder must enter.Do not face the detector to any area where window, lamp-house, heat thing ...