Usually, the control method of crane includes pendant,cabin,wireless remote control.The pendant and cabin control are traditional one,wireless remote control is now widely used for crane control.The remote control has a flexible operating distance, which allows the operator to observe the working status of the spreader within an appropriate distance,ensure the safety of operators. Crane Remote Control,Crane Remote,Wireless Remote Control EUROCRANE GLOBAL , https://www.eurocranepart.com