For places which are require high security , it designed for as a pneumatic system in a way which not put in a vehicle, which comes 50 km, and continuity performance. Blocks are designed in a way which prevents delay of traffic in 4 or 5 seconds and in the case of power cut it can be used manually. Against to corrosion it s body is produced galvanized. Besides , there is reflector band system which provide night sight and a flash alert lamplight on the body. Blocks can be produced optional high and rail color. By its microprocessor control panel it is suitable for every access control panel.