NEW Goldjoy-Ultrafire Wf-502B G60 Uv 3w 395-410nm Ultraviolet LED Flashlight Torch 18650 Water Resistant - Water Resistant - With "O" Ring sealed on both ends Ultrafire Wf-502B G60 Uv 3w 395-410nm Ultraviolet LED Flashlight Torch 18650 Water & Scratch resistance glass lens Made by High Quality 6061T CNC aluminum Uses: money detector, according to the traces of the military police forensic use