The invention relates to a movable emergency light device comprising a case (1), a movable closure lid (2), a dome (3), an electronic control plate (5) and a combined reflector (4), wherein the combined reflector (4) has the shape of an inverted bell open at both ends, the electronic plate being solidly connected to the combined reflector (4), and said reflector is provided with a plurality of light emitting diodes (LEDs) oriented towards the combined reflector (4). According to the invention, the case (1) forms an internal cylindrical cavity (13) containing an automatic switch actuated when the base of the case is brought close to a ferromagnetic material.