HIKVISION network camera User Manual page 56

we strongly recommend the use of strong passwords for all functions and
network devices. The password should be something of your own
choosing (using a minimum of 8 characters, including upper case letters,
lower case letters, numbers and special characters) in order to increase
the security of your product.

Proper configuration of all passwords and other security settings is the
responsibility of the installer and/or end-user.
3) Select the network mode from the drop-down list. Auto, 3G and 4G are
selectable. If Auto is selected, the network selection priority comes as: 4G >
3G > Wired Network.
4) Input the offline time if Manual is selected as the dial mode.
5) Input the UIM Number (Mobile Phone Number).
6) Click the Edit button to set the arming schedule if Auto is selected as the dial
mode.
7) Click Save to save the settings.
User Manual of Network Camera
56