Feature: 1. Multipurpose UV Lamp: This series of black UV lamp can be used as a portable pet urine detector lamp, scorpion detector, fluorescent detector, currency license card passport authentication, also can detect oil stains spills, fluorescent substances on baby clothes, etc. 2. A Must for Pet Lovers: Detects your dog's urine and stains on your carpets, rugs, floors and furniture that are hard to see to eyes, finds ringworm on your pet in time, saves you time and makes your cleaning easy (not so effective on cat urine) 3. Compact and Portable Design: Pocket sized and lightweight design makes the UV flashlight easy to carry and store, easy to operate with one hand, and comes with a detachable lanyard so you can easily attach it to your belt, bag, shirt or pants pocket. 4. Durable Black Light Flashlight: Our black light flashlight is equipped with 21 tenacious UV led that can emit 395nm wavelength, allowing you to easily and accurately check large areas without weakening the light, more than 50,000 hours of life. 5. Battery Power Supply: Powered by 3 AAA batteries (batteries not included), energy saving and environmental protection, no need for frequent replacement. Specification: Item Type: UV Blacklight Flashlight Weight: 75g / 2.65oz Material: Aluminum Alloy Head diameter: Approx. 3.5cm / 1.38in Body length: Approx. 9.7cm / 3.82in Power Supply Battery: 3 x AAA batteries or 1 x 18650 lithium battery (not included) Light Source: UV violet light Wavelength: 395nm Number of Lamp Beads: 21LEDs. Package List: 1 x Flashlight