* 2 wire connection to transmit the audio&unlock signal from outdoor phone to indoor phone
* IP65 waterproof design to ensure non-stop operation in weather conditions
* Built in speaker and mic, answer your door anywhere by app remotely or indoor phone hands-free button
* Support to open 12v electric lock anywhere by app remotely or indoor phone unlock button
* Indoor phone will ring to alert you when doorbell is rung
* Tuya Smart APP, compatible with IOS and Android smartphone

Material: ABS
Color: Black/Grey/White
Power Supply Type: AC110-240V (Outdoor Phone) ; DC12V/1A (Indoor Phone)
Product Size: 135*61*43 mm

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