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 ...

最近LED的日子不好过，主要原因还是生产过剩，自从中国大陆氮化镓LED蓝光与绿光芯片技术突破之后，除了红光之外，可见光波段的芯片价格就呈现指数下降，到现在还没有停止过，巨大的应用市场让国内厂家无节制的扩产，让蓝光绿光LED从钻石价到黄金价到 ...

Ultraviolet (UV) stain finder flashlights come in all shapes and sizes. They are useful in a variety of ways. Black lights can help you spot urine stains, fake currency, or even deadly scorpions.

Streamlight Inc. has launched the compact Night Com UV flashlight, which features six UV LEDs to provide ultraviolet light for a variety of detection purposes. The versatile new light also provides a ...

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).