ZK Software Inc. is the leading OEM/ODM supplier for fingerprint identification in the world, which owns the largest biometric factory in China, over100,000 sets units were produced and used by 35 million users around the world. with the advanced standalone algorithm like 1:many (800-3000/s),360 degree rotation identification we offer SDK,EDK(such as ZEM100,ZEM 200(which is built in Linux OS), Fingerprint Reader,Standalone Time&Attendance, Access Control,Fingerprint module etc.