The zkteco f22 is an ultra-thin biometric time attendance and access control terminal featuring wi-fi, a 2.4-inch tft color screen, and touch keys. it uses an advanced infrared detection fingerprint sensor to deliver rapid matching speeds for up to 3,000 fingerprints.key specificationsfeaturespecificationfingerprint capacity3,000 templatestransaction capacity30,000 logscard capacity5,000 (optional id or mifare cards)sensor typez-id sensor / bioid sensoralgorithmzkfinger vx10.0display2.4-inch tft lcd color screencommunicationtcp/ip, wi-fi, rs485, usb-hostaccess controlelectric lock, door sensor, exit button, alarmwiegand signalsinput & outputpower supply12v dc, 3a