Figure 3-21 Fix the Camera 
3.  Cut  a  176~180  mm  diameter  hole  in  the  ceiling  and  push  the  dome  camera  with  in-ceiling 
mounting base to the hole. 
Note: The thickness of the ceiling should be less than 30 mm. 
   
Figure 3-22 Mount the Camera 
 
4.  It is strongly recommended that you use a safety rope to secure the in-ceiling mounting base to 
the roof.