You can configure the screen brightness, screensaver, screen lock, etc.
Go to the More > Settings > Display screen.
Brightness: Move the bar to adjust the screen brightness. The default brightness is 5.
Sleep Time: Configurable from 15 seconds to 30 minutes, determined by the screen saver setting.
When the screen saver is enabled, this value defines the delay before the screen saver activates. For example, setting it to 1 minute will start the screen saver after 1 minute of inactivity.
When the screen saver is disabled, this value sets the screen-off delay. For example, setting it to 1 minute will turn off the screen automatically after 1 minute of inactivity.
Screen Saver Time: Set the screen saver duration from 15 seconds up to 2 hours. The device will enter the screen saver mode when no one approaches or operates for the Sleep Time.
Screen Saver: Determine whether to display the screen saver when the device goes into sleep mode.
Screen Saver Type:
Local Pictures: Display pictures uploaded to the indoor monitor as the screen saver.
Clock: Display the clock as the screen saver.
Screen Lock: Lock the screen after the screen is turned off(turn dark). You can tap ✔ to unlock the screen.
Screen Clean: Start it to wipe the screen clean without triggering unwanted changes in the settings.
Wallpaper: It is for local wallpaper selection.