How does the DP-104 connect an electronic door lock

How does the DP-104 connect to an electronic door lock?

DP-104 has a set of relay output dry contact, you can choose to use the anode lock or cathode lock, select the appropriate “no” or “NC” contacts, with VBELL APP remote control “open the door.”

This is the need for an “electrician” or “electrician” skill engineer.


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