Recorded video file created by Bosch Security Systems closed-circuit television (CCTV) systems; stores video in a proprietary format; used for archiving and reviewing surveillance videos.
DV4 files can only be played back using the Archive Player supplied with Bosch Security Systems CCTV purchases. When transferring DV4 video files to external media, you should also copy the Archive Player application with the video so that you can play it from the external device.