This product is the main component of the digital building intercom system .

The standard five-category line is used to connect, so as to realize the conversation with the indoor unit or the management unit,

And support IC card access control , 

4.3 inch TFT  display 

Support  IC  card swiping

High-bright  LED  lights at night automatically fill light

Door status detection, door open overtime alarm

Provide normally open / normally closed lock

extensions:

Support face recognition to unlock

Random password and QR code unlock

(Need to be used with the cloud intercom APP , the factory default does not support)