... controllerHighly reliable module, multiple working mode, advance and unique motor acceleration and deceleration coontrol technology and balance mechanism, make the ... )Reliability, Highly sensitive, Anti-disturbed, Safety.(Unique Barrier boom)Unique barrier boom with rubber which can be avoid damage, color ... :2.5s 5.0sMotor Controller:MLC100/300 Automatic Barrier PCB40/60 /Boom gate/Barrier gate boom