Add this high-quality, true black-light flashlight to your geocaching bag. With a wave length of just 365nm this flashlight produces a true "black light". There is very little purple light given off by this flashlight unlike other UV flashlights. This is the UV flashlight for the discriminating cacher. This flashlight has a number of other uses such as counterfeit detection other applications where discernible fluorescence is required.
Waterproof to IPX8 standard. Something every cacher that carries a trail GPSr can appreciate is that this UV Flashlight uses AA batteries. With this UV Flashlight you are now able to standardize all of your batteries on AA. Use the same batteries in your GPSr, your flashlights and your UV flashlight.