DESCRIZIONE
This invention reveals a collar life preserver for water sports or similar that includes a compressed inflatable life preserver (1), a cartridge (2) that is filled with CO2, a solenoid valve (3) in connection with the cartridge (2), a discharge valve (4), a sensor (5) associated with a microprocessor (6) programmed with an algorithm and emission/reception means between the valve (3) and the microprocessor (6). The inflatable collar (1) presents a sensor (5) associated with the microprocessor (6) programmed with an algorithm that constantly receives information of the user's body functions and is capable of determining when the user is unconscious.