Biometric Time Attendance 1.USB-host 2.Fingerprint and ID 3.TA&AC Biometric Time ... Capacity: 80,000· Sensor: Optical Sensor· Communications: RS485, TCP/IP, USB-host,· Standard Functions : ID card function , Scheduled-bell, Self-Service ... : 3 inches TFT Screen· Power Supply : 12V DC 5A· Operating Temperature: 0°C-45°C· Operating Humidity: 20%-60%