1. 11 years experience 2. Humanized clutch, 3. electronic limit switch, 4. automatical ... antirust for one yearOperation methodsReading card, remote control, manual buttonWithout remote controlShell thicknessCan be up to 2. ... MaterialA3 steelShell thickness2.0mmSurface handleImport paintOpen methodRead card, remote control ,manual buttonRemote control distance10-60mWeight of barrier50KGBarrier340 ...