It detects counterfeit currency
Small, in a convenient pen size package None that I can see. I haven't used it a lot, so I don't know what's the life of the pen. I purchased in case I had to deal with face to face sales that has the potential to run in to counterfeit currency. So far I only tested it on my own currency I would buy it again. I would ... Read more
- Detects BRL without any problem.
- You can carry it everywhere since it's like a normal pen.
- It's cheap. I'd never find anything like that at this price in Brazil. No cons at all. It works as it should and the price is ridiculously low.
Actually, I think it smells kinda odd, but I don't know why since I don't know what it's made of. Buy it if you ... Read more
Works on any kind of paper money - (the pen is built with material that reacts with wood-based paper to create a black stain) Money that is made from fiber based paper (all the paper money that exists) doesn't get any chain reaction or paints it with yellow. The pen it self has a very low price in the market here it costs X3 more so i'm very glad (i ... Read more
The price is cheap. It detects USD without any issues. Can't see any thing wrong with it. Going to buy some more later. I bought this because every so often I sell stuff to people in a face to face environment. When handed cash, I'm always worry that it's going to be a counterfeit currency and I'm going to be ripped off. Now with this pen I can check ... Read more
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