A 51-unit UV flashlight that helps detect animal urine and food stains on carpets, clothes and objects that cannot be seen with the naked eye.Works using 3 standard AA alkylin batteries (not including the flashlight comes without batteries)Featuring a slim spot detection size Portable and lightweight, it can be carried anywhere.Waterproof and shockproof so you can use it on light rain days or wet places. The shockproof flashlight is distinguished by its non-slip rubber design made just for you.Wide range of uses: It is widely used in banknote detection, fluorescent hardware detection, hand pickup, education, etc. For external use such as Niger contracts, hotel inspection, rodent production, crime aid, mail verification, cashier, forensics, heating, identity and air conditioning, uranium detector in order to ensure the life of the flashlight, if you do not use it for a long time, please please battery. Long battery (does not come with batteries not included).