ZKTECO/Entropy Technology ST300 Fingerprint Time Attendance Machine Online Edition Punch Machine Employee Sign-in Machine Free Software Power Outage Punch Card Employee Punch Card Machine Employee Attendance Machine Teacher Attendance Machine
USB host / TCP/IP communication, 2.8 inch TFT LCD display, 2000 fingerprint capacity, 80000 log capacity, self-service query / T9 input / schedule bell / SSR and network report function,DC 5V 1A power supply.