Digital Watchdog MEGApix DWC-MTT4WiA User Manual page 33

Enable perimeter intrusion detection alarm and set the alarm holding time.
Set alarm trigger options. The setup steps are the same as motion detection.
Please refer to motion detection chapter for details.
Click the "Save" button to save the settings.
Set the alarm area of the intrusion detection. Click the "Area" tab to go to the
interface as shown below.