DESCRIZIONE
A light signalling device (60) adapted for use in diving including an autonomous electric supply module (62; 72; 82), in particular including batteries, housed in a water-tight container and a lighting module (64; 74; 84) in an electric supplying relationship with said electric supply module (62; 82). According to the invention said lighting module (64; 74; 84) includes a plurality of lighting elements (20), in particular LEDs, arranged on an elongated support structure (24), according to a light band or stripe arrangement (64; 74; 84), in particular suitable for identifying a specific direction.