Features 2.4 inch TFT display screen, concise user interface and menu hint design. : Main interface status bar. date/clcok indication. fairly obvious alarm host status. Built-in powerful performance CPU master based on32-bit Cortex-M3 core. Based on uCOS - III operating system with multitasking design, great user operation experienc WIFI/GSM/ GPRS intranet alarm system, support different alarm cannels,like APP push/SMSoice mitrng/intranet center etc to ensure the alarm performance stable and reliable. Support SMS arm/disarm and voice arm/disarm Supportup to 100 learing/storage location for remote control, RFID cards and wireless detector. Support many defense zones, such as gate, sos, bedroom, window, balcony,perimeter, smoke, gas, carbon monoxide, water leaking, etc. Support the main power malfunction, backup power shortage, tamper alarm and other extended alarm. Support entry/exit zone, indoor zone, perimeter zone, 24-hour zone..etc. Up to 5 groups preset alarm phone numbers, SMS on/off and dial on/off can be set respectively. Support external wireless siren. Support timing arm and disarm Can store and inquire daily operation records and alarm records. . GSM network clock synchronization, to ensure accurate clock, and support country time zone setting. Support multi-language menu display, voice prompts and alarm SMS setting. Can record 20 seconds voice message and alarm voice. Telephone function, support 5 groups re-dial number. . User-friendly APP operation experience and user interface. Push Arm/disarm message to APP Support APP remote arm/disarm Online GPRS to obtain equipment status, automatic alarm when ffline. Reserved remote GPRS TCP 1UDP protocol channel, compatible with multiple alarm center networking protocol to facilitate network alarm. Center remote control. 433MHz host alarm accessories, free to match 433MHz carbon monoxide alarm and smoke sensor 433MHz PIR infrared motion detector 433MHz door and window sensor 433MHz 130db outdoor siren 433MHz doorbell button