Aglaia LED UV Flashlight, 51 LEDs 400 nM Ultraviolet Blacklight for Pets Urine and Stains Detector (AA Batteries Included) The LED UV flashlight emits 395 to 400 nanometer wavelength with 51 LED allows to cover a larger area of lighting Make invisible visible. Ultraviolet blacklight makes it simple and easy to reveal security marks, pet stains and some other spots that cannot see with naked eyes. Perfect for scorpions tracking, authenticate currency, driver license, official identification cards, passports, etc. Made with Durable Material. Solidly built with aluminium alloy material, which makes it more durable to use Portable Design. Slim design with the flashlight makes it easy to carry. And the hold part with non-skid design is safe for handholding Batteries Included. 3 x AA battery are included in package content, you can start spotting immediately