Does the doorbell wired work properly?
Yes, it will work normally with the correct installation.
What should I pay attention to before use?
The battery needs to be in the device.
What is the power of the wire?
Input: 120V AC~60Hz; Output: 18V AC 500mA.
Are cables and adapters removable?
No, the cable and adapter are all-in-one cables.
Will the doorbell supply make sounds while working?
No, it will not make any noise after repeated tests.