Everyone should have played Border Sports. One of the more troublesome things is the overview of the differences between sensors and probes in "Border Sports". If you really don't know how to distinguish the sensors and probes in "Border Sports", you can browse this guide. Everyone It's actually not difficult if you look closely, just follow the guide, it's very simple.
The motion sensor will only mark something when someone walks in front of it, and will not mark it if it goes out of range. Can't pass through walls.
The probe can be marked as soon as it enters the range, and it can pass through the wall and leave the range for a period of time.