The CSD 200 Biometric USB Fingerprint Scanner is a device that is used to store, verify, and identify fingerprints for security purposes. It features a high-resolution optical scanning unit that reads fingerprints quickly and accurately. The scanner also has a built-in encryption algorithm to ensure secure data storage and transmission. The device is compatible with many popular operating systems and can be used with a variety of software programs and applications. The scanner is easy to use and can be used to quickly and easily identify users and control access to secure areas.