Never used. Great for traveling. Rechargeable. “UV-C technology packs a punch against viruses, odor-causing bacteria, and certain molds and other allergens, on surfaces at home or while traveling with the CleanWave® Portable Sanitizing Wand. Chemical-free cleaning for items like cell phones, remote controls, keyboards, faucets, toys, music players, ATMs and more. This is the longer version to cover more surface area.