Low to High (LTH) " BD-R LTH is the same as all other Blu-ray media, except its manufactured using a more efficient production process. High-Definition " Blu-ray discs are designed especially to store large HD video and audio files. So, youll use fewer discs when youre backing-up, recording or duplicating high definition digital recordings - including your music library. Hard Coat - All Verbatim Blu-ray discs are treated with a super hard coat to prevent scratches, resist fingerprints and reduce dust build-up. Laser Technology " Verbatim Blu-ray discs use blue-violet laser technology to read and write data. That means, superb resolution, excellent contrast, vivid colors and amazing sound. Capacity - The Verbatim single-layer Blu-ray disc offers up to 25GB of storage space to back-up your video, music, photos and more. Recordable " This single-layer Blu-ray disc is designed for one-time recording and should be used with BD-R hardware. Compatibility " Verbatim Blu-ray discs are compatible with the latest Blu-ray hardware from leaders in the market like Sony, Pioneer, Panasonic and LG. For more specific compatibility information, see the compatibility chart. Warranty " All Verbatim Blu-ray discs are backed with a Limited Lifetime Warranty and a 40-year history of quality and reliability.