Made for power-users and shared environments, the 4500 is the natural choice for those that want and need the very best. The U.are.U 4500 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. Compliant with FCC Class B, CE, ICES, BSMI, MIC, USB, WHQL.Free API to capture raw fingerprint image, feature extraction, fingerprint enrollment and matching.