Features: 1.-The traffic barrier is widely used for the facilities of parking, traffic or toll system. 2.-Arms can be chosen from 3 meters to 6 meters. 3.-This type of barrier could match with direct boom( pole), fold boom Or fence boom.. 4.-Advanced manual release .Clutch key can be used to open the clutch when electricity is cut off. 5.-All the process is soft without any noise and shaking. 6.-This barrier gate has many input terminals for photocell, Airwave switch, loop detector, back- up battery(for DC Motor), toll gate system and output terminals for lamp. 7.-Housing color: yellow,red ,blue,orange,white (optional) 8.-Boom arm direction can be chosen leftward to rightward. 9.-Auto warming up,suitable for cold environment. 10-Controlling way :wireless or wiring multiple push button for OPEN,CLOSE,STOP function.