VideoSecu 4 Channel USB 2.0 DVR Network Video Audio Capture Record Adapter for PC Notebook Digital Video Surveillance System 1OZ Watching and recording video on your computer, easy to setup. Fast MPEG4 video compression Remote surveillance view. Remote playback function. Support IE web browser, PTZ control through web browser 4 channel video input 2 channel audio input Schedule mode, record by motion, and auto recycling Multi-channel playback, searching by time/date and recording events, images can be zoom/capture/save/print/backup