Alpha ESS Backup Box-PLUS Quick Installation Manual page 6

Installation
Step 3
Use the impact drill to drill holes
according to the marks on the wall
(Drill: M10, Depth: 70mm).
Step 5
Lock the expansion screws into the two upper holes.
Note: Reserve a distance
of 3-8mm between the
bottom of the expansion
screw and the wall to
facilitate subsequent
installation.
Step 4
Take out the plastic expansion screws and vertically place the
expansion tubes into the holes.
Step 6
Hang the Backup Box-PLUS
on the installed expansion bolt.
Note: The expansion tube
should be completely
buried in the hole and
should not protrude from
the wall.