Show help
This page uses the camera to show differences over time and
summarize those changes as being in the left, right, or top
center of the area.
- Press Video to start using the camera.
It needs to be able to support 180x120 format.
- Press Capture or click the video to display the difference,
- or press Start to display one difference per second.
- Press Stop to stop.
Show links to more information