Kit KERUI W2 WiFi GSM PSTN Systeme d'alarme+Sans fil Sirene Indoor Camera IP; This alarm system is a high-end GSM alarm with stable and reliable performance and applies 1.7-inch TFT color screen and touch keyboard with built-in powerful CPU master and excellent operation experience. Automatic voice prompt or SMS message notify the location and events upon alarm. Compatible with wireless PIR sensor, door sensor, smoke detector, gas detector, panic button etc. It has been widely used in home, factory, school, shop, villa and residential area to provide protection for valuable assets.; Arm/Disarm by different method : Remote Control, on Main Panel, Dialing to the system or sending SMS to the system, App operate in smartphone; Easy to add additional accessories : Easy to add compatible wireless detectors (wireless learning code); Alarm record inquiry for 30 records; Different arm mode : Away Arm, Home Arm, Delay Arm, Emergency Arm; Priority arm calling: Even the line is busy, system will dial out proirity when alarming. Build-in rechargeable battery (automatically recharge). For short term backup only. App operate in Smartphone : Free Apps available for download in iPhone or Andriod phone. Simple using App to send SMS for making Away Arm, Disarm, Get record. We hope our excellent products,warm-hearted service can obtain your favors! Wholeheartedly welcome your support and cooperation!.