Every Aadhaar Based Application USB Fingerprint scanner with STQC and UIDAI Certification which is mandatory to connect with aadhaar server. Mantra MFS100 is the leading model in this segment with all the cerifications and approvals.Only Mantra Biometric Fingerprint Scanner have option for both types of connecting ports, USB and micro usb in the same device. Contact us for good price of Mantra MFS100 Fingerprint Scanner.