Fingerprint Access Control System 3000 fingerprints & 80000 trasaction records Built-in Card Reader is optional TCP/IP,RS485 Fingerprint Time Attendance Access Control SystemTechnical ... 1% Optitional Comparing Models 1:1 or 1:N Sensor optical sensor Diemenstion 185mm X 125mm X 50mm Voice Hint English ... ,Job.No.,etc. Display Language English, Chinese, RFID & Fingerprint Access Control System YET-T50