Safer for video heads: 3M's patented videotape-based head cleaner allows you to view the cleaning process and to stop cleaning the heads as soon as you see a clear picture. This 3M patented feature allows you to prevent unnecessary head wear due to overcleaning. The only head cleaner endorsed nationwide by the National Electronics Service Dealers Association. Easier than wet or dry cleaners: Works just like a videotape. No messy solutions to use. Shows you instantly when your VCR heads are clean. Eliminates guesswork. Faster than wet or dry fabric cleaners: No need to play a pre-recorded tape to determine if clean. Cleans more of your VCR than wet or dry fabric cleaners: 3M's patented system cleans the Entire Tape Path-including pins, guides, rollers- and video, audio and erase heads. Use Scotch VCR Head Cleaner High Performance before you play a rental tape and before you record. Regular use helps maintain bright, sharp pictures and clear sound, and helps prevent costly repairs due to dirty heads. Provides 30 head cleanings and 6 tape path cleanings. Cleans with less abrasion than wet or dry fabric cleaners. On-screen message shows when VCR is clean. Satisfaction Guaranteed. 3M believes in offering only the best video, audio and CD products. If you are not completely satisfied with the performance of this product within six (6) months from your purchase date, send receipt and reason for dissatisfaction and 3M will replace of refund you the original purchase price.