Features 1Hold Many Fingerprints: Fingerprint scanner can hold 10 fingerprints, set fingerprints for multiple accounts, set fingerprints for each family member using a separate account, and automatically log in to their own accounts through fingerprints. 2360 Degree Auto Calibration: 360 degree auto calibration and recognition function, press the correctly registered finger at any angle on the module to complete the comparison. 3Multifunctional: Multi functional design, fingerprint collection, fingerprint registration, fingerprint matching and fingerprint search can be done independently. 4Wide Application: Mini fingerprint reader is used for fingerprint access control machine, fingerprint root search, fingerprint attendance machine, fingerprint storage cabinet, one touch automatic operation, fingerprint printing, fingerprint lock, fingerprint security. 5Compact Structure: Computer fingerprint reader is compact, easy to carry and store, low power consumption, universal interface, high reliability and easy to operate. Specification Item Type: Fingerprint Key Reader Material: ABS CPU: 144Hz main frequency, 1M Bits Flash Memory, 128KB SRAM Fingerprint Capture: Capacitive capture Fingerprint Image Size: 192 x 192 (pixel), 508 DPI Fingerprint Registration Capacity: 10 by default, expandable to 5000 False Acceptance Rate (FAR): <0.001% (Security Level 3) Rejection Rate (FRR): <0.1% (Security Level 3) Matching Method: 1:N and 1:1 matching Fingerprint Template Size: 570 bytes Byte Security Level Setting: Level 1 to Level 5 configurable, factory set value: Level 3 Processing Speed: Fingerprint Feature Extraction Time <0.45 seconds 1:N matching time (for 3000 full registrations) <1.5 seconds Communication Interface: UART, 3.3V-TTL level or USB communication Serial Communication Parameters: No Parity Parity = NONE, 1 stop bit Stop Bit = 1 No Flow Control = NONE Baud rate of 9600, 19200, 38400, 57600, 115200 (bps) Factory Setting: 115200bps Operating Voltage: vin voltage: DC3.3V10% Operating Current: less than 30mA, peak less than 80mA (instantaneous current) when collecting fingerprints Sleeping Current: less than 10uA working environment Operating Temperature: -10-60 Package List 1 x Fingerprint Key Reader