HIKVISION 21 Series Quick Start Manual page 34

Figure 28, Fix Incline Mounting Bracket to Wall
4. Unscrew the bubble of the camera.
5. (Optional) Insert the memory card to the camera if your camera
supports memory card installation. Refer to Section 2.1.
6. Route the cables and fix the camera to the incline mounting bracket
with three supplied self-tapping screws.
Figure 29, Fix the Camera to Wall Mounting Bracket
NOTE:
If you install the camera outdoors, install the waterproof
QSG Network Dome Camera 3