Automatic Bollard is especially designed for high security vehicles entrances site, Such as embassies, military base and ministries etc. 1. It can be installed as a single unit as well as in group. 2.Bollards are driven hydraulically or pneumatically. 3.The driven unit is placed in an installation cabinet closed to the bollard. 4.The bollard riselower function controlled by electronic controller, which can be integrated with ONOff switch, Card reader, Biometric reader, remote control, loop detector, safety accessories, flashing light and traffic light etc.