Portable Black Light,Handheld Blacklight,Handheld Black Light Torch Portable Blacklight with Led,Batteries Not Included(Black 6*2*1in)from ANMUYUM

Practical and Multifunctional: these battery powered black lights can serve as LED white flashlights for lighting, and on the other hand, they can serve as blacklights for money detecting; If you receive the product, put the battery in, but the light tube does not light up, it may be due to transportation problems, the light tube is loose, you need to remove the light tube and install it again