UV Flashlights: 5 Fast Facts

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Fact #1. Ultraviolet light is a normal part of the electromagnetic spectrum of natural light, or light that is produced by the sun. Sunlight is generally divided into seven distinct categories, each determined by the size of its wavelengths. These include radio waves, microwaves, infrared light, visible light, UV light, X-rays, and gamma rays.
Fact #2. An ultraviolet flashlight puts the power to control a unique portion of the light spectrum right in your hand. UV light itself is invisible to the naked eye. It's nonetheless quite helpful in illuminating many substances. This is thanks to the unique luminescent properties it creates when reflected by everything from gemstones to the bodies of certain insects.
Fact #3. These lights are not expensive. The most affordably priced option costs around ten dollars. Options at the top of the price range are still usually valued well under fifty dollars. Most models are also of relatively small size. Both the small cost and size of these devices is thanks to recent advances in LED technology.
Fact #4. Consider where you'll store the device. Some can easily tuck into a glove box or even a pocket. Others are large enough to require a bit more room, like a backpack. Next, consider how and where you'll use the light. Also take into account the power source.
Fact #5. Ultraviolet lights serve a critical role in various professions. The forensic investigator, for example, can use one to help search a crime scene for traces of blood or other liquids. An inspection professional can use UV light to search for leaks in various air conditioning, plumbing, or gas lines. Members of the general public can use UV light to identify substances like pet urine, antifreeze, or to check dollar bills to make sure they're not counterfeit.