Integrative machine core: all part is made by mold, so all parts can be more accurate. Left or right installed can be amendable. Accurate link mechanism: link mechanism can release arm shake and motor load. 70W turbine worm transmission deceleration induction motor: Drive Steady, Noise Lower, Structures Compact, can realize self-locking. The barrier will automatically go back when meet obstacles during the process of lifting and falling. Call for Price
