... as control panel keyboard operation, remote phone operation, history retrieve, detector failure, low battery, AC power shut-off, tamper switch, ... voice guide to avoid error operation. 8) Multipurpose door detector, intelligent recognition of detector status, if protected door is not close, system ... 13 kg 5) Size: 50mm (L)*39mm(W)12mm(H)Infrared motion detector1) Power supply: Dry battery: 9 V. 6F22 2 ...