Black Light LED Flashlight UV Ultraviolet Nail 【Material】 Aircraft-grade aluminum alloy, Uses 1 AA battery, or 1 14500 lithium battery (battery not included), peak wavelength 395nm, waterproof level IPX5. 【Small & Lightweight】 Length 92mm * Width 26mm Weight: approx. 65g, Small and lightweight, a convenient UV light to carry around. Can be used to catch scorpions outdoors and for night fishing. 【Pet Waste Detector】 Finds dried and invisible pet waste, such as dog, cat, and mouse waste. 【Antique Appraisal, Quality Inspection, Counterfeit Verification】 For checking antiques for signs of repair, verifying anti-counterfeiting printing on credit cards, checking for residual fluorescent agents and whiteners on clothing, inspecting the quality of minerals and gemstones, and for glow-in-the-dark lures/worms. 【Zoom Function & 3 Modes】 The focus can be controlled by sliding the head. Zoom in [focus on one point], zoom out [wide-area illumination]. Or, pressing the switch on the back allows you to switch between 3 modes: flash. ■Customer Reviews■ ◯ It's cheap, compact, easy to carry, and very good! ◯ I previously bought a regular LED light of this type and liked it because it was quite bright, so I ordered this product thinking it was the ultraviolet version of that. I think it's what I expected. It's compact and good. I think it's perfect for collecting light for night fishing. There are other uses for it, so I'm satisfied. Feel free to ask about the price!