Product introduction:using the fastest fingerprint-matching algorithm in the industry, zk readers provide unparalleled precision and speed at less than half the cost of competing vendors. Each reader has the capacity to store up to 1, 500 fingerprint templates and 50, 000 transactions. The user-friendly touch keypad and visible display make enrolling users fast and easy. All our readers can be accessed through a tcp/ip or serial port, with the ability to automatically update and synchronize when networked together. Standard wiegand input and output signals allows easily integrate with any third party access control panel .