back up battery: rechargeable battery. is_customized: Yes. fix time arm & disarm: 3 time set. Производитель: Perfect. Размер модели: GSM017. Применение: Другой. GSM band:: 850/900/1800/1900MHZ. auto dial alam phone
GSM Band: 850/900/1800/1900MHz. color: black and white. Usage: GSM PSTN ALARM SYSTEM. feature1: sms alert for power failure or recovery. feature2: 1pcs doorbell zone make dingdong when tr. Производитель: Wolf-Guard.