A wireless control device, comprising: - an actuating button of the device for sending a control signal to another device, tilting and pivoting about an axis under the effect of an activation force, - an electronic control circuit, including a transmitter capable of wirelessly transmitting a control signal to another control device connected to an electric wire, - an electric generator to power the circuit, this generator being capable of converting mechanical energy into electrical energy, - a transmission member, for transmitting mechanical energy applied on the actuating button to the generator, characterized in that the electric generator comprises at least one winding and a sliding block guided in a rail and comprising at least one magnet, in that the wireless control device comprises a mechanism including an actuating lever, the actuating lever comprising a first part configured to cooperate with the transmission member and a second part connected to the sliding block of the generator, in that the actuating lever is mounted pivoting about a pivot axis at an intermediate part, that is to say, between the first part and the second part, in that the second part of the actuating lever is connected to the sliding block by a pivot link whereof an axis of rotation is parallel to the pivot axis of the actuating lever and perpendicular to the movement direction of the sliding block, in that the mechanism is configured to generate a translational movement from the tilt of the actuating button, in that the actuating button comprises two tabs, the tabs being arranged on either side of the transmission member, in that the tilting of the actuating button pushes on the transmission member on one side or the other, driving the movement of the transmission member perpendicularly to the tilting axis of the actuating button, and in that the movement of the transmission member perpendicularly to the tilting axis of the actuating button drives the rotation of the actuating lever about the pivot axis. - an actuating button of the device for sending a control signal to another device, tilting and pivoting about an axis under the effect of an activation force, - an electronic control circuit, including a transmitter capable of wirelessly transmitting a control signal to another control device connected to an electric wire, - an electric generator to power the circuit, this generator being capable of converting mechanical energy into electrical energy, - a transmission member, for transmitting mechanical energy applied on the actuating button to the generator, characterized in that the electric generator comprises at least one winding and a sliding block guided in a rail and comprising at least one magnet, in that the wireless control device comprises a mechanism including an actuating lever, the actuating lever comprising a first part configured to cooperate with the transmission member and a second part connected to the sliding block of the generator, in that the actuating lever is mounted pivoting about a pivot axis at an intermediate part, that is to say, between the first part and the second part, in that the second part of the actuating lever is connected to the sliding block by a pivot link whereof an axis of rotation is parallel to the pivot axis of the actuating lever and perpendicular to the movement direction of the sliding block, in that the mechanism is configured to generate a translational movement from the tilt of the actuating button, in that the actuating button comprises two tabs, the tabs being arranged on either side of the transmission member, in that the tilting of the actuating button pushes on the transmission member on one side or the other, driving the movement of the transmission member perpendicularly to the tilting axis of the actuating button, and in that the movement of the transmission member perpendicularly to the tilting axis of the actuating button drives the rotation of the actuating lever about the pivot axis.