Essl F22 WiFi Enabled Fingerprint Time Attendance Machine with Access Control Feature, Lifetime Desktop Software, 3000 Users, 1 Lac Log, Cloud, Android App, Weigand Support ESSL F22 Biometric Attendance System offers fast fingerprint recognition, RFID access, and Wi-Fi support—perfect for secure and accurate employee attendance. Available at Nivano Digital Technologies, Calicut. Keywords: ESSL F22, biometric attendance, fingerprint machine, RFID, attendance system Calicut.