zkteco K40 Time Attendance & Simple Acccess Control Terminal.you can get the best form it for using time attendance.zkteco k40 is elegant appearance and reliable quality.built-in backup battery 2.8 inc display and usb backup system and many more.It has also interface for third party electric lock TCp/IP and USB Host and exit button. make data management so easy. Most importantly, the can eliminate the trouble of power-failure.
Simple access control or external bell
SSR report in excel forms