Wasserstein Montaje en Angulo Horizontal Manual Del Usuario página 3

Installation
1. Turn off the power of your doorbell
at the electrical panel.
Note: Always consult a professional
electrician before working with
electrical wires.
2. If a doorbell was previously
installed on your wall, take it
down and disconnect the wires.
3. Open up and carefully pull apart
the wedge and wall plate.
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