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Wireless GSM/SMS Auto-Dial Alarm System (YL-007M2B)

Wireless GSM/SMS Auto-Dial Alarm System (YL-007M2B)
off. 12. No need for fixed telephone line, only GSM Network is present, so is very suitable for cottage, house, shop, garage, etc. Technical Parameters Average power: AC/DC exchanger 2A. Wireless ...

GSM Alarm System with Audio Message Recording(YL-007M3D)

GSM  Alarm System with Audio Message Recording(YL-007M3D)
off warning function: SMS to inform users if power failure. Intercom function: can communicate with the scene people ,two-way intercom. Listen-in function: can hear the voice of people move, dig and ...
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