Feature: 1. Instant and accurate matching-360° fingerprint matching, providing more accurate and faster response performance than traditional optical devices. Password-free login provides you with the fastest and safest way to unlock Windows devices. 2. Flexible and easy to carry-compact design and small size. Support multi-finger multi-account, flexible configuration. You can better enjoy file security with friends and colleagues. 3. The latest scanning technology-built-in "smart learning" algorithm, biometric fingerprint reader is equipped with the latest scanning technology, so that your fingerprint matching faster and faster. 4. Two login methods-if you want to decrypt an encrypted file, just double-click it, and a fingerprint verification window will up. The verification can be done by fingerprint or Windows login password. Specification: Model: U8 Interface: support USB 2.0/3.0 Number of fingerprints supported: 10 fingers, 360 degree touch Fingerprint recognition speed: instant, 0.3 seconds False recognition rate: Less than 1/50000 (0.002%) Rejection rate: Less than 2% Fingerprint reading speed: 50ms Fingerprint sensor: capacitive (non scratch) Product size: 25 x 15 x 12mm Supporting systems: for Windows 10/11 (drive-free), for Windows Hello Dongle Note: Windows 7 and Smart ID is not supported. Material: Zinc alloy colour: silver Package Contents: 2 x USB Fingerprint Reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.