Here's a quick guide for your reference to enable auto-reboot for your cameras via the web browser.
Applies to: All Reolink cameras and PoE NVRs except the battery-powered ones, Reolink E1, Reolink E1 Pro, Reolink Lumus, and add-on cameras
Step 1. Log in to your camera via a web browser. Click the gear icon on the top right to get to the device settings page.
Step 2. Click System > Maintenance. Toggle the switch to enable Auto Reboot.
The default auto reboot time is 02:00 am every Sunday. You can customize it as you need.
If the web interface of your camera is an old version, you can refer to the steps below.
Step 1. Log in to your camera via web browser and go to the device settings page.
Step 2. Click System > Reboot. Click Enable auto reboot and set up the time and date of the auto reboot accordingly.
Step 3. Click OK to save all the settings after configuration.
Notes: Once a standalone camera is connected directly to the NVR, the NVR's auto reboot settings will be applied to it. And the camera's own auto reboot settings will not take effect.