Smartworks 72-4450 Digital Device Product Features:Cleans Surface Scratches on CDs and DVDsPrevents Audio Discs from SkippingSave Vital Data from Damaged Discs Hand-Powered Carousel Cleans and Polishes Discs without any BatteriesUnique Cleaning Solution Repairs Surface Scratches on All Optical Media Discs* Compact DesignDimensions: 5 x 5 x 1.375 inches NOTE: Some media discs may be scratched or damaged beyond repair. Cleans Surface Scratches on CD's, DVD's Gaming Discs, Data Discs, and More Prevents Audio Discs from Skipping. Save Vital Data from Damaged Discs. Hand-Powered Carousel Cleans and Polishes Discs without Any Batteries. Includes Unique Cleaning Solution repairs surface scratches on Discs.