SecuGen's ultra-compact, high image quality USB fingerprint reader features a low-profile and dust- and water-resistant design. The Hamster Pro 20 is built with the rugged and advanced optical sensor using advanced fingerprint technology. SecuGen Hamster Pro 20 can be used for authentication, identification and verification functions that let your fingerprints act like digital passwords that cannot be lost, forgotten or stolen. The Hamster Pro 20 features fake finger rejection for enhanced security.