Scorpion Master 52 LED UV Blacklight Flashlight High-powered ultraviolet flashlight with 52 led lights Simple push-on/off button and attached wrist band make it easy to use Good for a variety of applications, including lab experiments, science projects and classroom demo 4 - AAA batteries included UV-Blacklight allows you to locate scorpions, detect counterfeits, detects urine, vomit, feces