Wireless Door Window Gap Magnet Sensor Detector for PiSector Security Alarm Systems New Wireless Door Window Gap Magnet Sensor Detector for PiSector Security Alarm Systems This sensor is not work standalone, it's work together with Pisector system Model PS03 / GS08 User manual not included inside package, need read the main user manual PS03 or GS08 user manual chapter(Sensor) to program this sensor into your main console PS03 or GS08.