A multifunctional fingerprint recognition device capable of fingerprint enrollment, verification, identification, and search. Compact and portable design with low power consumption, universal interface, and high reliability. Easy to operate and integrate into existing systems for custom fingerprint identification solutions. Supports large-scale 1:N identification (up to 5,000 fingerprints), non-modular matching, and response time under 2.5 seconds. Features automatic 360-degree fingerprint image correction for reliable recognition regardless of finger placement angle. Low false acceptance rate (FAR) < 0.001% and low false rejection rate (FRR) < 0.1%. Suitable for access control, time & attendance, secure storage cabinets, smart locks, POS terminals, hospital management systems, and intelligent monitoring equipment. Specifications: CPU 144 MHz, 1 MB Flash memory, 128 KB RAM, capacitive fingerprint sensor, image resolution 192 × 192 pixels at 508 dpi, default enrollment capacity 1,000 fingerprints (expandable to 5,000), template size 570 bytes, security level adjustable from 1 to 5 (default level 3), fingerprint extraction time < 0.45 seconds.