[Practical life] UV flashlight is very suitable for detecting stains (pets, body fluids, etc.). Scorpions can even be spotted (not suitable for cat urine)[Wide use] Black light flashlight can be used to verify currency, official ID cards, passports, unnecessary whitening agents in cosmetics. The black lamp can also be used as a nail dryer.[Waterproof & Impact Resistance] IPX4 grade waterproof specifications, can be used in light rain or wet places. Aluminum alloy purple flashlight with impact resistance and special non-slip rubber design, provide you with[Portable size] The portable mini size fits the palm of your hand, so you can operate it with one hand. When you need it, the detachable black lanyard can free your hands. Ideal for storage in pockets, bags, cars, tool boxes or drawers. The soft tailswitch will not hurt your fingers.[Long lasting] This black light 9 LED bulb quality UV flashlight has a working time of 3H, a wavelength of 395nm, and the service life of each bulb exceeds 100,000 hours. Avoid replacing the bulb.