Radio works

- Mar 29, 2017 -

Visitors can easily call households through the downstairs unit in front of the host and in dialogue with households in the indoor control unit the opening and closing of the door, residential tenants of hosts that can receive at any time an alarm signal to the host notifies the Community guard on duty, the system not only enhances the high-rise residential security, and greatly facilitate the tenants downstairs to reduce many unnecessary trouble.

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