The U.are.U 4500 Fingerprint Reader UID Edition is a rugged, powerful fingerprint verification and identity machine. It is tailored to the unique form-factor, power, usability and durability requirements for mobile ID devices, particularly those used in public-facing Civil ID applications such as voting, benefits checking, micro finance and general desktop PC security. The U.are.U 4500 Reader UID Edition optically scans the fingerprint when the user touches the glass imaging window. Optical technology offers the highest combination of durability and ease of use. The reader is IP64 rated and sealed against dust and liquids.