• Through the screen installed at a corridor door, visitors can use software to talk to the hosts via mobile phone or landline. Even if they are not at home, hosts can also open the door for visitors.

    楼道门口安装显示屏通过APP软件接通家庭成员的手机固定电话,即便在家来访者可视对讲,或者来者开门

    youdao

  • Through the screen installed at a corridor door, visitors can use software to talk to the hosts via mobile phone or landline. Even if they are not at home, hosts can also open the door for visitors.

    楼道门口安装显示屏通过APP软件接通家庭成员的手机固定电话,即便在家来访者可视对讲,或者来者开门

    youdao

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