Ⅰ. The ultraviolet light has 51 premium ultraviolet rays, emits a lot of UV to cover a larger area; The solid light has a bright beam and reaches far, showing fluorescent staining more clearly. Ⅱ. The flashlight can reveal dog, cat and other animal urine and stains on carpets, floors, furniture, clothes, and you will not see it with the naked eye. Because it works by emitting long-wave ultraviolet light, the salts released in the dried urine will glow like a neon sign, making them easily visible to the human eye. Ⅲ. The urine light body is made of aircraft-grade aluminum alloy with anti-abrasive surface. Anti-abrasive surface design, reduces the risk of falling. Waterproofing can last longer in daily life than black light. Two ways to use the strap: The hand strap is easy to carry. Ideal ultra-violet flashlight for home or outdoor use. Ⅳ. Use the urine detector light to accurately detect invisible stains on carpets or clothes in every corner. No more paying for professional cleaners, do your own cleaning. Ⅴ. Ideal for other scorpions, plant caterpillars; Fluorescent bleaching agent in baby clothes or your cosmetics; Painting kitchens, bathrooms, hotel rooms; Currency authentication; Leak diagnostics, detect freon leaks in vehicle air conditioning systems, authenticate currency, official ID cards, passports, etc.