... supply) by sending SMS commands. 5.Wireless Zone,Out-arm, Home-arm, Alarm with sound, silent alarm, 24-hour defense zone, Time-delay ... -stored phone numbers, power supply) by sending SMS commands.8. Learning code for adding new sensors makes it simple and easy. Do ... reach.14. User's PIN code (6-digital password)is required to access to the GSM Alarm System to ensure more security. Technical ...