Handfree intercom. Mute indoor intercom function. TUYA AHD 1080P Video Intercom Doorbell System With 7" WiFi Touch Screen Display. Connection way: BUS 2-wire. Use Plug-in connectors and DIP switchers for rapid installation.Integrated Multi functions with simple operation makes the system more attractive, Flexible cable connection to wire, support in-out, branching and mixed mode.
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