This product is a finger vein recognition module based on a 32-bit ARMCortex-M4F processor with a main frequency of up to 192MHz, supporting floating-point operations and DSP instruction sets, and can efficiently run biometric algorithms The module adopts a light-board separated structure design, which is easy to embed into various terminal devices and improve the integration of the whole machine The module interface is compatible with the fingerprint recognition industry standard protocol, has good platform adaptability and scalability, and supports rapid development and deployment The vein module adopts a closed design method, with no exposed devices except the wiring terminals, and the waterproof level reaches IP56, with industrial-level three-proof standards It is widely used in smart door locks, push-pull or hidden handles, small smart lockers, access control and attendance systems and other smart security equipment to help achieve high-precision and high-reliability identity authentication solutions SOC:192MHz 32-bit ARM Cortex-M4F microprocessor User capacity: 100 IDs Recognition speed: Less than 1s Comparison method: 1:1 or 1:N Vein template data: single template less than equal 1K bytes False acceptance rate (FAR): Less than 0.0001% (at high security level) False rejection rate (FRR): 0.01% (at higher security level) Communication interface: USB: Adaptive USB driver-free (Windows) UART: 3.3V TTL, default baud rate: 57600bps Operating voltage: 3.3V (3%) Operating current: 19.5mA Sleep current: less than equal 5uA Fireproof grade: UL94-5VB Waterproof grade: IP56 (except port and light board) The product appearance and printed words may vary depending on the batch, but this does not affect use. Colour:Black Material:plastic Package Contents: 1 * Finger Vein Scanner Module Kit 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.