LCD Home GSM Alarm System,GSM alarm,GSM alarm system,home alarm,home alarm system,alarm system,wireless alarm,wireless alarm system,burglar alarm,burglar alarm system,intruder SMS alarm,Intruder SMS alarm system,security alarm Intelligent GSM home wireless security alarm system,AC Power Off Inform by SMS Concise and elegant plastic house with simple operating interface Work with CID communication protocol Big LCD screen with calender, available in English, Chinese, Germany, Russian, French and Japanese etc. Default is english. One-key arm operation, program wireless sensors With 30 wireless alarm zones, GSM SMS alert and Telephone alarm Preset 5 groups telephone, with functions of recording, voice indicating and monitoring Distinguish alarming information intelligently, prevent mis-alarms & missing-alarms Alarming Priority, log function, built-in back-up battery, AC/DC power both available 5 Arm/Disarm ways: Remote Controller, Host Keypad , Remote Controlling Keypad(options) , Telephone/Mobile phone and SMS Internal&external antenna Optional