Practicle: 395nm wavelength help detect animal urine and food stains on rugs, carpets and clothes that couldn't see with naked eyes Portable: The pocket-size UV flashlight can be carried along to detect stains in your car or illuminate minerals, body art. Essential tool for pet lovers, portable and lightweight torch, convenient to carry to anywhere. Waterproof & Impactproof: Waterproof level IPX4 so you can use it in light rain days or wet place. Aluminum alloy purple light flashlight impact resistance and special non-slip rubber design for you. Versatile Use: Authenticate currency and official documents like drivers licenses and ID card. Long Lasting Power: 3 pack powerful AAA batteries included,which last longer than most of the same size UV flashlight in the market. B07PWFX4WD