Professional blacklight for dog-cat-pet urine finds pet stains fast! Nature"s Secret Weapon #1 selling professional series high output LED UV flashlight truly outshines the fluorescent style UV bulbs sold by other companies. As a leading national supplier of pet stain detection UV flashlights, we sell thousands of lights to pet owners every year. Unlike other UV flashlights, our uv black light cat-dog-pet urine detector is designed with special circuitry to create the optimum UV wavelength range for cat and dog urine detection. What few people know is that the quality of LED lamps (bulbs) varies dramatically between manufacturers. We only use premium UV/LED lamps in our lights. UV wavelength is only 1 component of a quality UV flashlight stain detector. Nature"s Secret Weapon UV black flashlight cat-dog-pet urine detector causes urine stains to really stand out making pinpoint treatments possible. (Special Note) A small percentage of pet urine does not show up under ANY type of UV (black light). Approximately 2% of our customers report this condition. This is NOT a fault of our high quality black light. We have thousands and thousands of satisfied customers. Quality built for years of use. 10,000 hr rated bulb life. Requires (3) AAA batteries (not included). Buy one today!