Features: ★Two colors of Ultraviolet and white lights ★Skid-proof design & waterproof design. ★Clip for convenience carry. ★To detect banknote, such as CNY, USD, Euro and other currency ★Also applicable for detecting various kinds of invoice ★Used for detecting passport, ID card, credit card, bill of exchange, cheque etc. Specification: Wavelenght of Ultraviolet: 395nm Material: Aluminum Alloy Shell color: Black Size: 13x3x3 CM Power by: 3 X AAA Batteries (not included)/ 1x Rechargeable Battery(not included) Package Included: 2 X LED UV Torch(Batteries not Included).