1.Embedded operating system, ARMg CPU highperfomnance operation

2.Support WlF//GSM4G'GPRS muliple communication services

3.Self-contained woice prompts, support 10 commonlyUsed natlonal languages

4.Support accass to Graffiti Cloud, Alexa intelligentVoice contrel, APp push

5.Self-contained high-decibel alamm

6.Buil-in doortell funclion, emergency help

7.Self-contained tamper-evident alarm, arming windows andDoors are not closed warming