A medical visualisation system is disclosed comprising a main device part and an auxiliary component, the main device part comprising: an image sensor adapted to generate image data indicative of a view from the main device part, a light emitter adapted to provide illumination of the view, and a main coupling part having one or more main terminals electrically connected to the light emitter and the image sensor. The auxiliary component couplable to the main device part comprises: a device wireless communication module adapted to communicate with a monitor wireless communication module of a monitor device and transmit image data to the monitor wireless communication module.