Wifi GSM Alarm System 433MHz Home Burglar Security Alarm Wireless Wired Detector RFID Touch Keyboard Temperature Humidity Alexa

11 languages to switch
This alarm system support 11 language to switch : English / Russian / Spanish / German / Polish / Chinese / Italian / French / Portuguese / Greek / Romanian

alarm panel built-in battery,
door sensor include CR2032 3V battery,
motion sensor not include 2pcs AA battery,
remote control built-in battery
smoke sensor not include 9V battery