The touch-style U. This ruggedized, powerful fingerprint verification and identity machine is ideal for large deployments in voting, entitlement, healthcare, finance and education. DigitalPersona's U. U Reader is a USB fingerprint reader featuring an elegant, sleek design with a soft, cool blue glow and, of course, the unsurpassed performance DigitalPersona is known for. Made for power-users and shared environments, the is the natural choice for those that want and need the very best. Featuring a low-profile design, the Hamster Pro is built with the industry's most rugged and advanced optical sensor using patented fingerprint technology.