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