There are two types of cameras:
Camera ID with no more than eight digits: Click three dots in the upper right of the corner on the device list, tap settings, and select alarm mode to enable the alarm spotlight.
Camera ID with ten digits: Click three dots in the upper right of the corner on the device list, tap settings, and you can find the Event option, and click on the to enable the Spotlight alert function.
It is necessary to enable the alert mode, and the white light will be on when the alarm is activated in the night mode. This function only suits cameras with a spotlight.