Two colors of Ultraviolet and white lightsSkid-proof design & waterproof design.With Wrist Strap.To detect banknote,such as CNY,USD,Euro and other currencyAlso applicable for detecting various kinds of invoiceUsed for detecting passport,ID card,credit card,bill of exchange,cheque etc.Specification:Wavelenght of Ultraviolet: 395nmMaterial: Aluminum AlloyShell color: BlackSize: 13x3x3 CMPower by: 3 X AAA Batteries (not included)/ 1x 18650 Battery(not included)Package Included:1 X LED UV Torch(Batteries not Included) Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 156 hours Hope you have a pleasant shopping experience!