D-Link DCS-7110 User Manual page 12

Installation
Step 3: Using the hex key provided, loosen the bolts and adjust the vertical / horizontal orientation of the camera to the desired field of view.
Firmly tighten the adjustment bolts to lock it into the place.
Attach to Wall or Ceiling
Step 1: Locate an area on the wall or ceiling which is capable of supporting the weight of the camera.
Step 2: Use the camera mount base to mark where holes will be drilled. Wall anchors and screws are included if needed for the material you are drilling
into.
Step 3: The camera cables can be installed through a separate large hole drilled in the wall, or using an external cable conduit.
D-Link DCS-7110 User Manual 12