... main products are gsm alarm,wireless alarm,mms gsm alarm,power alarm,IP camera,smoke detector,gas detector,child alarm,etc.. Product Description Features ... automatically. 12) long-distance operation by call: The alarm can be controlled by keypad, remote controller, and also ... 30m(wide place) 5) Static current: 30mA 6) Alarm current: 150mA 7) Alarm volume: ≥ 90dB Basic configuration: 1 x main panel ...