Cold cathode UV germicidal lamp as a core component of sterilization issued a wavelength of 254nm UV and ozone - The main role is to destroy the microbial nucleic acids deoxyribonucleic acid (DNA) ribonucleic acid (RNA) etc. Makes them immediate death or loss of reproductive capacity resulting in the death of bacteria and viruses - Super UV can effectively kill 99.9% bacteria and viruses in the toothbrush. - Can effectively reduce the incidence of stomatitis periodontitis gingivitis sore throat bad breath and other diseases - The blue toothbrush tray can be removed to clean cleaning killed bacteria debris. - Box inside with a mirror convenient to use - It will automatically sterilizer for 5 minutes when close the lid and auto power off when finished - Powered by 2 x AAA batteries not included - Non-toxic and environmental material housing no harm to human - It can also sterilize for chopsticks and forks within 19cm length.