1、Process of fingerprint identification, the newly extracted fingerprint feature value is successfully identified and then merged into the fingerprint database, so that the user can use it in the process as better as possible. 2、360° automatic correction and recognition, press the correctly registered finger at any angle on the module, the pair is successful, and you can pass. 3、The fingerprint recognition rate is low, the maximum is 0.001%, and the false rejection rate (FRR) is less than 0.001%. 4、USB model, supports up to 1000 fingerprint users. The fingerprint window adopts waterproof technology. 5、Support the full range of windows. Support the secondary development of for Android platform. Communication interface includes UART, 3.3V‑TTL level or USB communication.