HIKVISION DS-2CD2121G0-IWS/2AX Quick Start Manual page 54

Network Dome Camera·Quick Start Guide
Figure 5-1
Note:
The verification code is required when you add the camera to
Hik-Connect app.
3. Click and read "Terms of Service" and "Privacy Policy".
4. Confirm the settings.
5.1.2 Enable Hik-Connect Service via Web Browser
Before you start:
You need to activate the camera before enabling the service. Refer to
Chapter 3.2.
Verification Code Setting (SADP)
53