Seeed Studio Grove-Fingerprint Sensor - 101020057

The Fingerprint Sensor is one optical fingerprint sensor which will make adding fingerprint detection and verification super Simple. There's a high powered DSP chip AS601 that does the image rendering, calculation, feature-finding and searching. You can also en roll new fingers directly - up to 162 finger prints can be stored in the onboard FLASH memory. There's a red LED in the lens that lights up during a photo so you know its working. It is easy to use and by far the best fingerprint sensor you can get.

Fingerprint Adaptable
Appatation Widely
Can set the security level and baud rate flexibility