PCB AUTOMATIC BARRIER 1.Highly Reliability 2.Highly sensitive 3.Color flash light & alarm is available 4.Unique barrier boom PCB40 boom is 4.0M speed 2.5S, PCB60 boom is 6.0M speed is 5.0S, using in 60% frequency. Modularization controllerHighly reliable module, multiple working mode, advance and unique motor acceleration and deceleration coontrol technology and balance mechanism, make the system ...