1. Highly Accurate Fingerprint Recognition: Optical fingerprint sensor with scratch resistant surface 2. Lightning Fast Fingerprint Recognition: "Tick Tock" ,a second you are either rejected or accepted by our T-5 3. Smart Fingerprint Update: Automatically analyze the tiny difference of the latest fingerprint vs. the pervious fingerprint and update accordingly to ensure the high accuarcy and the optimum speed of fingerprint recognition 4. Ultra Low False Acceptance Rate: One in a million attempts, there may be a false acceptance happened. but Please remember, it is just a "may" in other word FAR =< 0.0001%. 5. SD Card for Data Upload/Download: The most commonly used data storage device, SD Card is employed in our T-5 for easy data transfer 6. Data Communication Channel: data transfer via USB Link, SD Card, TCP / IP