4.7GB general recording media. Compatible with PRV-9000 and DVR-A03. For use with the Pioneer PRV-9000 and DVR-A03/103 drives only. Pioneer's DVD-R General media provides a reliable format for data and video recording, distribution, and storage. Information burned on write-once DVD-R media is permanently recorded and cannot be altered or erased. Pioneer DVD-R media provides 100 years' life expectancy and is compatible with most DVD-ROM drives and DVD-Video players.