Functional characteristics 1) Zero self-test function, which is convenient for users to maintain and use. 2) Alarm prompt function with illegal entry. 3) Anti-impact function, the wing plate automatically locks when no open signal is received. 4) Infrared / mechanical dual anti -clamp function, when the wing plate is blocked during the extension process, the motor will stop working automatically within the specified time, and the force is very small, and the alarm is issued at the same time. 5) Automatic reset function, pedestrians swiping cards is valid. If the pedestrian don’t pass within the prescribed time, the system will automatically cancel the pedestrian access. 6) The standard external communication interface can be linked with multiple card readers, and remote control and management can be achieved by managing computers.