We are offering color display time attendance machinedimension 185*128*45 (mm)operation mode offlineoperation voltage dc5v (without battery)/ dc9v (with battery)authentication fingerprint +pn+rfid (optional)fingerprint verification mode 1:1, 1:nfingerprint sensor area 16*14 (mm)verification speed < 1.2smax. fingerprint records 1, 000max. management records 1, 000max. attendence records 100, 000color display 340*240 dpidisplay language englishfingerprint update yestime bell yesbackup battery (optional) < 4 hoursdata communication channel usb link, sd card, tcp/ipproximity card em card/ mifare card