barrier,traffic barrier,parking barrier,BS-806 barrier,traffic barrier,parking barrier,BS-806(AC) / BS-806(DC) ... is widely used for the facilities of parking, traffic or toll system.2.Arms can be chosen ... meters to 6 meters. 3.This type of barrier could match with direct boom( pole), fold boom ... soft without any noise and shaking. 6.This barrier gate has many input terminals for photocell, Airwave ...