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The Dahua VTO3211D-P4 is a multi-functional intercom outpost. This intercom has 4 push buttons for, for example, 4 apartments or rooms. A very wide viewing angle of 140 g and proximity tag reader for remote opening of the door or gate. The VTO3211D-P4 is suitable to connect to all types of Dahua VTH indoor units. (via network cabling and switch) In order to receive push notifications, there must be a good stable network connection for both the external unit and the smartphone.
Please note that this intercom must be powered with a 12 volt adapter or via a PoE adapter .
Despite the IP65 specification, moisture in the microphone and / or speaker can negatively influence the sound quality. Placing the external unit in a position where water can enter the microphone or speaker directly is therefore not recommended.
This external unit must be coupled with an internal unit.