GSM home alarm systems,Long distance to arm/disarm/listen in,support the GSM cell phone, sending English message

GSM home alarm systems

Can support the GSM cell phone, sending English message                                                                

5 groups of phone numbers                                                       

10 wireless and 2 wired detectors                               

1 relay Linkage Output when alarm and 2 output for home appliances connection                                                               

Long distance to arm/disarm/listen in                      

Remote two-way intercom

GSM home alarm systems