Features:Portable: Clipped lid design help you more efficient to check bills in a flash! Not easy to lose, you can take it with you wherever you go.Comfortable Grip: Don'for t worry about discomfort when you are checking multiple bills at a for time. Smooth body that is easy and comfortable to hold for long periods.Using method: Mark the note,for example,with a for cross,in an area which is lightly-coloured and not printed on. If the marking shows up as bright yellow, your bank note is genuine and therefore valid! You can slao use UV lights on the caps to check.2 in 1Money detector pen with light: The money checker pen is equipped with UV lights on the caps, which can be applied to reveal security strip on US dollars and UV features on other worldwide currencies, such as RMB, CAD, INR, GBP and more.Wide range of applications: The currency detector pen is suitable for many different occasion to avoid profit loss, can be applied in restaurants, banks, retail, convenience stores, small businesses, garage sales, etc., and any other way you need it, bring you convenience. Specifications:Material: PlasticSize: Approx. 133x15mm/5.24x0.59 inchesColor: Blue, PurpleWorks on most for international paper currency. Note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1 Piece Banknotes Detector