Features: High precise capacitive fingerprint sensors module with UART/USB interfaces delivers rapid biometric authentication and seamless integration for 3.3V low power systems. Crafted with durability PCB/metal construction and advanced encryption, this antiwear module ensures secure data transmission and minimal false acceptance/rejection rates. Ideal for electronics developers, security engineers, and manufacturers creating fingerprint locks, attendance systems, and encrypted storage solution. Perfectly suited for smart access control installations, time attendance management devices, and home automation projects requiring reliability biometric verification. Features plug and play compatibility for Raspberry boards, and microcontroller based security applications while maintaining compact dimensions for embedded systems designs. Specifications: Component:PCB, Metal Size: Approx.33.4x20.4x6.1mm/1.31x0.8x0.24inch Fingerprint Capacity: 1,000pieces Working voltages: 3.3V Communication Interfaces: UART and USB communication interfaces Resolution: 508DPI Applicable scenario:electronic fingerprint lock; Package Includes: 1pc Fingerprint Sensors Module note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.