Super Eutectic Recording Layer (SERL) optimizes read/write performance and durability. Able to rewrite data, images or audio files up to 1,000 times. Large range of compatibility - works with most DVD-ROM drives. 4.7GB allows you to store up to 1550 photos or more than 120 minutes of 720p video. Verbatim has been a leader in data storage technology since 1969, and guarantees this product with a limited lifetime warranty and technical support.