Feature:1. Small size and lightweight, easy to carry and store, convenient to use.2. Using 4WT5 light longwave light tube, used to detect the authenticity of money.3. Operating principle: With the help of ultraviolet recognition system, the shines in the bill, real bill show clear and complete watermarks, while counterfeit bill do not.4. With a flashlight on top, can also used foremergency lightingt.5. Can used to identify dollars, euros, pounds and all the world's moneys, can widely used in shops, grocery stores, restaurants, hotels and street vendors.Specification:Condition: 100% Brand NewItem Type: Bill Checker TesterModel: DL-01Material: ABSColor: As Pictures ShownLight: Ultraviolet LightBattery: 4 x AA Battery(Not Included)Weight: Approx. 105g Package List:1 xBill Checker Tester1 x Manual