HIKVISION ADS-24S-12 1224GPCN Quick Start Manual page 16

 The dimension of one module mounting frame is: 117(L)×107(W)×32.7(D) mm.
 The dimensions above are for reference only. The actual size can be slightly different
from the theoretical dimension.
Steps:
1. Paste the installation Sticker 1 onto the wall. Make sure the sticker is placed leveled
via measuring with the gradienter.
2. Chisel 4 holes with drill align to the screw holes on the sticker.
The suggested size of hole is 6 (diameter) × 25 (depth) mm.
The suggested length of cables left outside is 100 mm.
Video Intercom Main Unit·Quick Start Guide
Figure 3-2 Front and Side View
8