1Multi-function design, which can independently complete fingerprint collection, fingerprint registration, fingerprint comparison and fingerprint search. 2Compact styling is convenient to carry and store, it features low power consumption, universal interface and high reliability, it also easy to operate. 3Scalable large capacity 1: N identification (5000 fingerprints, ungrouped identification, response time less than 2.5 seconds). 4It can be easily embedded into the user system to form a fingerprint identification product to meet customer needs. 5In the process of fingerprint identification, after the newly extracted fingerprint characteristic value is recognized successfully, the characteristic value is fused into the fingerprint database, so that users can use it more and more easily. Features: 1. Multi-function design, which can independently complete fingerprint collection, fingerprint registration, fingerprint comparison and fingerprint search. 2. Compact styling is convenient to carry and store, it features low power consumption, universal interface and high reliability, it also easy to operate. 3. Scalable large capacity 1: N identification (5000 fingerprints, ungrouped identification, response time less than 2.5 seconds). 4. It can be easily embedded into the user system to form a fingerprint identification product to meet customer needs. 5. In the process of fingerprint identification, after the newly extracted fingerprint characteristic value is recognized successfully, the characteristic value is fused into the fingerprint database, so that users can use it more and more easily. 6. 360 degree automatic correction and identification function, press the correctly registered finger at any angle on the module, and the comparison can be passed. 7. Low false fingerprint rate: up to 0.0001%, low fingerprint rejection rate: up to 0.0001%. 8. It can be used for fingerprint access control machine, fingerprint root finder, fingerprint attendance machine, fingerprint storage cabinet, fingerprint car one-click start, fingerprint seal, fingerprint lock, fingerprint safe, fingerprint POS terminal, hospital case fingerprint management, intelligent control equipment, etc. Specification: Condition: 100% Brand New CPU: 144 MHz Main Frequency: 1M Bits Flash Memory, 128KB for SRAM Fingerprint Reader: Capacitor Collection Fingerprint Image Size: 192 X 192 (pixel), 508DPI Fingerprint Registration Capacity: Default 1000, Which Can Be Extended to 5000 False Identification Rate (fAR) < 0.001 % Rejection Rate (fRR) < 0.1 % The Fingerprint Template Size: 570 Byte Security Level Settings: Level 1 to Level 5. the Default Value is Level 3 Processing Speed: Fingerprint Feature Extraction Time < 0.45 Seconds Communication Interface: UART, 3.3 V-TTL Level or Usb Communication Serial Communication Parameters: Parity = None; 1 Stop Bit = 1 Flow Control = None Baud Rates: 9600, 19200, 38400, 57600, 115200 (bps Working Voltage: DC 3.