Features 1.Stores Many Fingerprints: The fingerprint scanner can store 10 fingerprints, set up fingerprints for multiple accounts, set up fingerprints for each family member using a separate account, and automatically log into their own accounts via fingerprint. 2.360 Degree Auto Calibration: 360-degree automatic calibration and recognition function, press the correctly registered finger at any angle on the module to complete the comparison. 3.Multifunctional: Multifunctional design, fingerprint collection, fingerprint registration, fingerprint matching, and fingerprint search can be done independently. 4.Wide Application: Mini fingerprint scanner is used for fingerprint access control machine, fingerprint search, fingerprint attendance machine, fingerprint cabinet, one-touch automatic operation, fingerprint writing, fingerprint lock, fingerprint security. 5.Compact Structure: The computer fingerprint reader is compact, easy to carry and store, low power consumption, universal interface, high reliability, and easy to use. Specification Item Type: Fingerprint Key Reader Material: ABS CPU: 144Hz main frequency, 1M bit flash memory, 128KB SRAM Fingerprint Capture: Capacitive capture Fingerprint Image Size: 192 x 192 (pixels), 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 Security Level Setting: Level 1 to Level 5 configurable, factory default 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 default: 115200bps Operating Voltage: vin voltage: DC3.3V±10% Operating Current: less than 30mA, peak less than 80mA (instantaneous current) when capturing fingerprint Sleep Mode: less than 10uA working environment Operating Temperature: -10℃-60℃ Package List 1 x Fingerprint Key Reader