This Alarm system is a high-end GSM and WIFI dual-net alarm with stable and reliable performance and applies 1.7inch 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. After receiving an alarm, host will display the alarm zone and alarm siren 80dB on site, 110dB alarm when connect with wired siren, while text to and dialing the number preset inform user via WIFI.