NEW IN ORIGINAL BOX. Includes Germ Shield, 2 AA Duracell batteries, and instructions. Designed to use at home or when traveling. The Germ Shield encloses most toothbrushes to use UV-C light to sanitize your toothbrush - eliminates 99% of bacteria and germs. Know it’s working when the outside glows a pleasing blue. Sanitizing cycle is 4 minutes. After cleaning the light will switch off. Runs on 2 AA batteries. Register for 2 year warranty.