The Twin Light Keychain uses a bright white LED light to provide light in an emergency, or for everyday use such as for use when locking doors at night. The UV Torch detects UV Pen Ink and SmartWater™. Ideal giveaway to be used with a Permanent UV Pen to ensure your property is well marked and easily identifiable. The Twin Light Key Chain is attractively designed in a black housing and is small and compact in size making it convenient to carry and always at hand.CRIME PREVENTIONThe Twin Light Keychain Torch is a dual purpose torch which quickly and easilydetermines property ownership. Other uses include authenticating currency, I.D, credit cards etc and for use as a general torch.