Big SOS Button GSM Elder Alarm System, Watchdog Alarm, 24hours Alarm, Panic Alarm, First Aid Alarm The A11 GSM Elderly Guarder is a very innovative ... concept of GSM Panic Alarm, GSM Emergency Call System and GSM Medical Alarm System for Senior/Elderly Safety care.Model: ... on the background of many elderly people living alone to design it. This is the first product special for safeguard ...