タイトルまたは説明

To open remote control grab simply to press the radio transmitter Key anytime in Mid-air , To close grab with the wire cable of the crane. this kind of grab can work everywhere, just hook on and go. No need any grab accessories in the ship crane, in the status of loading hooper, The grab opening act can be stopped by pressing key at any time during the period of opening, the grab will resume opening by pressing “OPEN” again. *******-o**-m