Abstract: A signalling beacon comprised of a lighting indicator which is mounted in a body enabling the stacking thereof. An energy accumulation device, at least one photovoltaic cell and an electronic device of the beacon are in the beacon. The electronic device has a radio frequency receiver circuit to receive radio communication signals which are emitted by an emitter circuit, and a light indicator control circuit. The light indicator control circuit includes a timer, a logic circuit intended to the polarization of the timer and of the light indicator, and a connection device for the switching off of the energy accumulation device when the beacons are piled up. A signalling beacon is obtained with a high autonomy, which is also remotely controllable and it has a high versatility of applications.