8cm disc for use in DVD-RAM video camera can record up to 30 minutes per side. 8cm disc is removable from cartridge or holder for use in DVD-RAM video recorders or DVD-RAM drives for PC. The DRMH60 is designed for exclusive use in video cameras that use Round DVD Holders. SPECIFICATIONS Model Type: DVDRM30 Sides used: Single-sided Recording time: 30Min Recording capacity: 1.4GB Disc diameter: 80mm Writing speed: 2X Reference data transfer rate: 22.16Mbps