The present invention relates to a remote control device for a crane, a construction machine and/or an industrial truck, comprising a mobile end device in the form of a tablet computer that has a screen having a touch-screen function and at least one input means for inputting control commands in the form of a touch-screen display means, as well as a signal transmission device for transmitting the input control commands to the control apparatus of the crane, of the construction machine and/or of the industrial truck. It is proposed to use the screen of the tablet computer not only to input and display control commands, but also to present actual images and/or desired images of the working environment of the machine so that, on an inputting of control commands via the touchscreen function of the screen, the machine operator can simultaneously monitor the working environment there.