Figure 4-44 Buckle the Main Unit 
If you already had a standard rail to be installed, you can buckle the main unit onto the installed rail 
directly. 
 
Figure 4-45 Buckle the Main Unit onto Standard Rail 
  Installation of Block-Shaped Sensor Unit 
This series of camera support concealed mounting and exposed mounting with a decorative cover. 
  Concealed Mounting 
Please make sure that the mounting surface is suitable for adhesive pasting. 
Steps: 
1. Drill on the mounting surface. As shown in Figure 4-46.