This article is aiming to guide you on changing day/night mode via Reolink Client. If camera view is too dark or you don't want a black-and-white image, refer to the following steps to configure a proper setting.
Applies to: All Reolink cameras
Here is a video for your reference:
Step 1: Click gear icon to get to the Device Settings page.
Step 2: Choose Display > Day/Night, then you can change it to Auto/Color/Black & White.