Features:  -2.4 inch TFT display screen, concise user interface and menu hint design.  -Main interface status bar, date/clock indication, fairly obvious alarm host status.  -Built-in powerful performance CPU master based on 32-bit Cortex-M3 core.  -Based on uCOS - III operating system with multitasking design, great user operation experience.  -WIFI/GSM/3G/GPRS intranet alarm system, support different alarm channels, like APP push/SMS/voice monitoring/intranet center etc. to ensure the alarm performance stable and reliable.  -Support SMS arm/disarm and voice arm/disarm.  -Support up to 100 learning/storage location for remote control, RFID cards and wireless detector.  -Support many.    security:   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 offline.  -Reserved remote GPRS TCP / UDP protocol channel, compatible with multiple alarm center networking protocol to facilitate network alarm.  -Center remote control.    Specification:  Input Voltage: DC5V/1A(micro USB jack);  Standby Current: <80uA;  Working Current: <120mA;  Siren output: <500mA;  Wireless Frequency: 315MHZ/433MHZ/868MHZ;  GSM Frequency: 850/900/1800/1900MHZ;  WIFI standard: IEEE802.11b/g/n wireless standard;  Back-up Battery: 3.7V/1000mAh Lithium battery;  Working temperature: -10~55 ℃;  Relative humidity: ＜80%(No freezing);  Size: 185 x 125 x 14.7mm;     Package included:  1 x Alarm host;  2 x Remote Control;  1 x Wireless Door Sensor;  1 x Wireless Infrared Detector;  2 x RFID cards;  1 x Wired Siren;  1 x USB cable;  1 x Power Adapter;  1 x User Manual