Option C
Connect the diode wire with your existing doorbell wire.
7
Fix the doorbell to the mounting plate by inserting the
doorbell screws.
Doorbell is powered on when its indicator flashes blue. If not, make sure your electricity is off and check the wiring.
If yes, proceed to doorbell setup.
Diode
U-Shaped Wire
8
Doorbell Screw
7
Wire Connector
Restore the electricity at the breaker.