... assure fingerprint matching consistency7. Accept ODM or OEM, providing system analysis, casing-making, circuit design, producing-assembly, package ... 2007 Version ZK new algorithm4. Hardware Platform: ZEM510 5. Operating System: Linux 6. Communications: RS232 ,RS485,TCP/IP, USB- ... LCD: 128X64 Blue background light 12. Operating Temperature: 0 to 45 degree C13. Operating Humidity: 20%-80%14. Sensor: ZK ...