We have introduced a UV keyring to incorporate an additional LED (White light) giving the added benefit of checking for watermarks in counterfeit currency. This added feature also provides a handy torch facility. The UV light can be used to detect UV marks, Smartwater TM, SelectaDNA TM, counterfeit currency and a host of forensic applications - Includes Batteries Ideal for: - Police - Door Staff - Retail Staff - Taxi Drivers - Betting Shops