Brickcom MD-100A Series Quick Installation Manual page 7

5. Hammer the three plastic anchors provided in the product package into
the three location holes.
6. The user needs the three screws which are included in the product
package and a screwdriver. Mount the camera on the wall or ceiling
and position the three screw slots over the plastic anchors. Insert the
three screws provided in the product package into the holes and use a
screwdriver to tighten the screws clockwise until they are secure.
For the hard surface mounting, user can use enclosed adapter to
router the camera's cable through side of the adapter.
NOTE: For assembling the waterproof connector, please refer to the
instructions included in the connector package.