Zkteco K 40 Pro is an advanced Time Attendance & Access Control Terminal with a 2.8-inch TFT screen display. It contains a TCP/IP client and USB host for communication and effective data transfer along with the integrated backup battery for uninterrupted performance in case of a power outage. In addition, it has interfaces for third-party electric lock and exit buttons. The smart features and sleek design make it unique and highly reliable.