Realtime RS405 Biometric Aadhaar Attendance System Reltime RS-405 is most suitable biometric device which can work as attendance machine in connection with AAdhar server securely as it is safety net pass and unrooted device as directed by the Aadhaar Authorities of India. This AAdhar biometric attendance machine matches all the necessary requirements of aadhar linked attendance process recommended by NIC & UIDAI in India.