Step1:Open the Guard Viewer App.and click the list button,choose playback.
Step 2 Choose the channel which you want to playback,you can choose up to four devices to play back at once.then click the Start Playback button.
Step 3:Choose when you want to watch the playback.
And you can adjust the time period for playback by dragging the timeline below.
If you experience any problems, please contact us for further support.