LE Small UV Flashlight, Portable Black Light with 9 LEDs, 395nm, Ultraviolet Light Detector for Pet Urine Stain, AAA Batteries Included 9 LED Emits 395nm UV (Ultra Violet) wavelength. Suitable to look for insects such as scorpions and bed bugs. Detect animal urine, dirt and more. Made of sturdy and durable aluminum alloy material, no functional problems under 1.5M drop test. Essential tool for pet lovers, portable and lightweight torch, convenient to carry to anywhere. Powered by 3 x AAA batteries, included in the package.