PLAYBACK
The mobile client also supports playback of the videos. The source of the video clips could be camera's own storage (MicroSD cards) or NVR. The interface of the app includes search, play, pause, previous recording and the next recording. It also has the playback speed control or even frame-by-frame playback. For the convenience, it also has time-line based playback control. It is also possible to do the event-related playback by first searching for the logged events and then selecting them to start the playback.