Car Park Barrier Gate (Automatic) Used in parking lot Stable running ... is up to 6m, 1-6s 2.0mm Mild steel Car Park Barrier Gate (Automatic)Application:Parking lots, toll gates, goods ... is for decreasing working temperature.·Secure: Arm will be self-locked in any position to avoid unauthorized person to manually operate ... Control Distance>30mArm Speed1s, 3s, 6s (s=Second, m=Meter) Car Park Barrier Gate