Applies to: All the Reolink cameras( except battery-powered cameras).
Step 1: Go to Device Settings-> Motion Detection.
Step 2: Enable Motion and then set up the sensitivity. The larger number stands for lower sensitivity. And you can split the 24 hours into 4 part with different duration by changing the start time and end time in the 4 indexes.
Step 3: Click on Area tab in the picture above, select the area you want to monitor. White grid means the area will be monitored. The motion in the transparent field will be ignored then.