X990 Fingerprint Colour Display with USB and Battery Option. Standalone fingerprint T&A System, IN and OUT status User Capacity: 3,000 Transaction Storage: 1,00,000 Communications: RS232, RS485, TCP/IP, USB Identification time: < =2S FAR: <=0.0001% FRR: <=1% Operating Temperature: 0°C – 45°C # Operating Humidity: 20% – 80% Sensor: OEM Optical Sensor 500 DPI Card reader: EM RFID(Proximity), HID, Mifare(Optional) Language: English Alogrithm Version: 9.0/10.0 Optional: Battery Backup