The Safescan 30 is the ideal portable partner for checking whether a bill is genuine or counterfeit. The eye-catching, colourful detection pen is aperfect way for checking all currencies quickly and easily. If the ink changes colour on the bill then you may conclude that the bill is counterfeit. If the mark fades and eventually disappears, then the bill is genuine. The Safescan 30 can be used to test all bills and currencies.