Promote your business with an amazing item like this tactical black ultraviolet (UV) LED flashlight! It has a single CREE UV LED bulb, an on/off button, and a strobing effect. This is perfect for detecting counterfeit bills, credit cards or ID cards. 1 AA battery is included and installed. Add your company name or logo with our silver engraving imprint for maximum visibility. Score big with clients when you hand out this fantastic gift!