Moobom 12 UV Flashlight For Detecting Pet Dog Stains Checking Passport Money And More Simply&easy to finding -- Perfect for Revealing Dry Dog, Cat and Rodent Stains and Favourite Spots thOtherwise you Could not See With the Naked Eye . Safety Use -- With the UV light you can detect fluorescent agents and bleach residue on the cloth,mask,towel,and baby's product, ensuring safe from fluorescent agent. Towards the items that contain no fluorescent whitening agent,it will show purple light; towards the items that contain fluorescent whitening agent,it will show blue light. Bright with fairly focused output -- Emits 395nm wavelength with 12 top quality ultraviolet led lights. Tiny size-- It can be taken anywhere or easily stored for the small size. Batteries Included -- 3 AAA batteries included so you can start spotting straight away & Identify your furry friends favorite spots immediately.