Fixes scratches that cause a disc to skip, freeze, and fail to play. This three-step process is easy to use. Just spray, spin, and shine up to 50 discs. You can repair the same disc multiple times. Fixes most types of optical discs: music,DVD, data, games, and recordable discs. Includes FlexiWheel, 5oz. rejuvenating fuid, drying cloth, felt buffing square, and detailed instruction manual. Requires six AA batteries, not included. AC adapter available – see offer insidebox.