Features: 1.2.4 inch TFT full color LCD screen display, touch keyboard operation, wireless transmission, simple installation. 2.One machine with three networks WiFi + GSM (2G) + GPRS, eternal network, safer and more secure. 3.One?key SOS secret distress alarm, support duress code, secretly call the phone in emergency situations (default alarm tone or set). 4.Support bell button prompt function, one ? key operation to add wireless accessories, no need to partition, attributes, name, etc. 5.Support 9 languages, like Chinese, English, German, Korean, Spanish, Portuguese, French, Italian, Russian (Default English) . 6.Support remote WIFI network APP alarm push, phone, SMS, and other multi?channel alarm mode and management. 7.Intelligent voice control: the alarm host supports for ALexa and for Google home intelligent voice control, which can easily arm and disarm the host. 8.Support 5 groups of pre?alarm calls and SMS numbers, support each group number off/on management, horn alarm ring design, built?in horn. 9.Support arbitrary setting of multiple zone names and numbers, like Main door, hall, SOS, bedroom, window, balcony, perimeter, smoke, gas, carbon monoxide, water leakage, doorbell, PIR detector, door magnetic detector. 10.Support the setting of defense area types such as outside defense area, left?behind defense area, doorbell, silent defense area and 24?hour defense area. 1 1.Supporting main power failure, backup battery weakness, anti?pry alarm and other extended alarm display and alarm. 1 2.Support free arm and disarm function, area cheat number arbitrary input, time arm and disarm function and message operation, telephone function, password management for 1 group of users (off by default). Specification: Condition: 100% Brand New_x000D_ Item Type: Alarm System _x000D_ Material: ABS Plastic_x000D_ Color: As Pictures Shown_x000D_ Input Voltage: DC5V_x000D_ _x000D_ Alarm Host Backup Battery: 3.7V/ 500mah (Built-in)_x000D_ _x000D_ Power Supply Mode of Wireless Infrared Detector: 2 x AAA Battery(Excluded)_x000D_ _x000D_ Wireless Door Magnetic Power Supply Mode: 1 x 23A 12V battery(Excluded)_x000D_ _x000D_ Standby Current: 10uA_x000D_ _x000D_ Alarm Current: 500mA_x000D_ _x000D_ GSM Network Communication Frequency 850/900/1800/1900mHz Support GSM Network: 2G_x000D_ WiFi Standard: IEEE802.11b/g/ N Wireless Standard_x000D_ _x000D_ Operating Temperature: -10-60_x000D_ _x000D_ Working Humidity: 95%_x000D_ _x000D_ Wireless Frequency: 433MHz_x000D_ _x000D_ Built-In Alarm Siren: 85dB PackageList: 1 xAlarm Host1 xWireless Infrared Detector1 xWireless Gate Magnetic Body1 xWireless Gate Magnetic Accessory Body2 xWireless Remote Controller1 xWireless Doorbell Button1 x USB Cable2 xMounting Screw Pack3 x Tape1 xWireless Infrared Detector Mounting Bracket1 x Instruction