Alpha GSM Alarm Wireless Sensor Security System

No need the fixed telephone line,everywhere have GSM frequency is suitable to use. Can dial 6 telephone numbers with voice remind. Can send SMS to 3 mobile phones. Remote setting by phones. ISD automaticly to record the message for 10 seconds. Can store the alarm information, you can clear to check it. Three way to arm your house: outside armed, stay armed,remote armed. Learning code,easy to learn and add the wireless sensors as your want. Can use mobile(telephone) to remote arm/disarm/monitor. Can set the voice remind for remote arm/disarm. Can protect the alarm information will not lost even the power is off