Lhbc G90b(13) Wifi Gsm Alarm System,wireless Wifi GSM Home Security Alarm System Ios/android App,wifi Gsm Home Alarm System,wireless Gsm Alarm System with Wifi Function Touch screen keypad GSM alarm system with wifi function Built-in 800mA rechargeable battery Arm/alarm Delay for each defense zone. Timed arm/disarm function Support Monitoring and two-way intercom function. WIFI + GSM word menu home alarm system