Stagg Music MH-8AH Microphone Holder for Standard Size Vocal Mic Large capacity - store up to 4.7GB of data or 2 hours of high-quality video on a single DVD-R disc One-time storage format prevents accidental erasure Write compatible with DVD-R drives. Once burned, DVD-R discs can be read by most DVD-ROM drives and DVD players Archive home movies, audio and multimedia files Has 7 times the storage capacity of CD-R