The FandyFire UV-S5 is a 3,000 lumen beast. It’s more flashlight than anyone needs, proving that more isn’t always better. But, it’s cheap enough, so if you want ultimate bragging rights, this is the ...

UV won't blind you any faster than any other light, it just increases the risk of cataracts (since the UV light is partially absorbed by then lens in your eye).

OK, it's not really a black light. It's better to call it what it is: ultraviolet light. Let's start with a quick overview of light. Of course, light is an electromagnetic wave (oscillating electric ...

Streamlight Inc.'s rechargeable Stylus Pro USB UV, a sleek, compact penlight that provides ultraviolet (UV) light for detecting engine or HVAC leaks, fraudulent documents, or for use in forensic ...