Use Instructions

Disconnect the cable from the old doorbell and make
sure it does not fall into the hole;
3)Installation of expansion bolts and bracket
pre-assembly
If you have installed a doorbell before, you can install
it in the original doorbell location. If you have not
installed a doorbell before, you need to measure the
installation height in advance and choose a location
where the doorbell wire can easily pass through the
bracket for installation (using 3M adhesive is also
required). First use the bracket to mark out the screw
hole positions on the wall, remove the doorbell wire
(with U-shaped wire clip) from the accessory kit and
connect the stripped end to the AC connection wire for
pre-fixing;
Use tools such as an electric drill to make holes in the
wall or porch, install expansion bolts, and locate the
brackets according to the marked positions.