Aadhaar Enrolment and Aadhaar Update up can also be done with single iris and single Fingerpeint scanner. The devices from Iritech Iris Scanner and Mantra Fingerprint Scanner can be used with UCL application for authentication of people through retinnal scanning. UIDAI approved and STQC 15cm Iris Scanner of Iritech Inc Model MK2120U is the latest device which is compatible with UCL applications. 5cm Iris scanner model MK2120U will not be allowed to link with UCL now onwards as directed by UIDAI and confirmed by the manufacturer Iritech Irishield Inc.