... noise and shaking.7. Infrared photocell interface, Loop detector interface and IC system8. interface are reserved for the other functions.9 ... case: Optional ColorOrange, Red, Blue, Yellow, White, color board as below: SUNFRE INTERNATIONAL INDUSTRIAL CO LTD MAIN SERIES ACCESS ... ,Access Gate,Security Gate,Access Control System,RFID,Long Range Reader system,Electric folding Gate,Automatic Folding Gate