1. The sensitivity is set to high: the camera detects that there is an object moving on the shooting surface, and it will alarm as long as there is a slight shaking.
2. The sensitivity is set to the medium: the camera detects that there is an object that can be seen clearly moving, and when the object has a large movement, it will alarm.
3. The sensitivity is set to low: the camera detects that there is an object that can be seen clearly moving, and when the object has an extra-large movement, it will alarm.