Netvue NI-3250 Quick Manual page 11

Step 2:
If you are going to install camera on wood, just skip this step.
If you are going to install camera on concrete or brick:
Before you start to drill, make sure you know the locations of wall-in
pipes and electrical wires. (If you are not comfortable with drilling holes,
please consult with a licensed electrician.)
Use the provided drilling template to mark the position of holes on your
wall. Use drill bit (15/64", 6mm) to drill four holes, and then install
anchors to hold screws.
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