Real-time monitor and report the alarm information, fault problems from each device which installed at different location, inquiry working status, alarm history, login logs and analyze working reports for each device etc.

1.Network: GSM Mobile Phone Network 2.Frequency: quad band for worldwide:(850/900/1800/1900MHz) 3.Call the corresponding numbers by pressing buttons 4.Support three phone numbers(different numbers for different buttons) 5.Support remote talk back 6.Can be used for school,elevator,bank and prison,etc.

Outdoor use IP65, wireless transmitting, lower false alarm