1.Alarm System:When hit accidentally,it will alarm. 2.Crack up Prevention:If hitted,the arms will lower down

1.Alarm System:When hit accidentally,it will alarm.

2.Crack up Prevention:If hitted,the arms will lower down,

neither crack up the lock nor broken the car.

3.Push down Alarm:When push down,it will alarm,

then rise up after 3 seconds.

4.Jammed reaction:If the arm resist by outside force,

it will lower down automatically

 5.Tyre scraped Prevention: Fillet edge design.

6.Strong Structure:Can afford 5 ton car run over and

  high compressive strength.

garage barrier, parking barrier