... operation, remote phone operation, history retrieve, detector failure, low battery, AC power shut-off, tamper switch, anti-cut phone line and so ... control panel (main unit)10) With 24 hours tamper switch protected, door detector is failure or illegally disassembled, system will call for ... .13 kg 5) Size: 50mm (L)*39mm(W)12mm(H)Infrared motion detector1) Power supply: Dry battery: 9 V. 6F22 2 ...