To prevent counterfeiters, sensitive documents (example currency notes, credit cards, passports etc) often come with UV watermark technology. Counterfeit Money UV Detector Keychain emits UV light and helps the spotting of such UV watermark technology. This is highly essential when you travel and have to deal with currency of different nationals that you might not be familiar with. Can also be used to check for counterfeit credit cards or identification documents.
|Dimension||42mm(L) X 10mm(W) X 10mm(D) without the keychain ring|
|Operate By||4 X AG 3 batteries (Included)|