51 LED UV light Long service life up Light weight Great for checking notes, credit cards, fluorescent inks (invisible inks), cracked glassware, or even crime scene. Suitable for outdoor activities as well Emitter type:ÿ51 UV LED Powered byÿ3 x AA batteriesÿÿ(not included) ÿ 1 X UVÿ51 LED Flashlight What's in the box 1pc 51LED UV Flashlight