Sony DVD-RW Rewritable DVD Camcorder Media (30min. 1.4GB Single-sided 8cm Discs) - 4 Pack 4-pack of 30 minute discs, 1.4GB Designed for non-linear recording for the purpose of editing. DVD-RW media can be recorded and re-recorded (overwritten) up to 1,000 times Create and store digital video, audio and multimedia files Compatible for playback with most DVD players and DVD-ROM drives AccuCORE Technology