220V crane, with emergency stop up and down switch Standard copper point, flame retardant material, sensitive contact, stable performance Quality is reflected in the details, pure copper cable is used, and not easy to damage Internal components have sensitive contact, good conductivity, sensitive contact and more convenient to use Emergency stop button is flexible and , silver contact thickened copper parts are stable and reliable with long service life, Weight: 0.89507678372 pounds, Manufacturer: tiyao