Manufacturer\'s Description 25GB 2x Speed Re-Writable Blu-ray Disc Suitable for High Definition Video Recording. Ideally suited to high-definition image recording using a Blu-ray disc recorder or a HD camcorder.It can record approx. 4 hours 45 minutes of digital broadcasts in full-HD quality* *in DR mode(10.56 Mbps).Blu-ray discs use inorganic recording materials, so that data can be stored for approximately 50 years*. Moreover, they can withstand impacts, and are ideal for recording and storing high-definition images.Use them to keep your important family memories and valuable data safe. * Theoretical value based on specifications.Actual time may be shorter depending on characteristics of individual media and storage conditions.Blu-ray discs can be used with a wide variety of BD equipment including BD recorders, BD players and BD-compatible computers.They are ideal for storing and playing back your valuable images. Coming in a brand new package, similar to those first introduced in pre-recorded Blu-ray disc media.Ideal for Full HD Video Recording New type of package(video box) High reliability with a disc life of approximately 50 years Can be used with a variety of other BD equipment