Ezviz DB1 Guide Rapide page 10

1
Shut off the electricity at the breaker that controls
doorbell's circuit.
3
Insert the mini-level into the mounting plate and mark
the drill points when its bubble stays in the middle.
Mini-Level
Remove the mini-level when drill points are marked.
Doorbell Installation
2
Optional) When the wall is uneven, paste the plate
foam to the mounting plate.
4
Drill holes according to drill points and insert anchors.
5
Anchor