THE ADMIRAL is the ultimate heavy-duty hand held air horn! It packs 8 full ounces of ozone safe non-flammable blasting power! Just screw on the high impact acoustically designed trumpet, press the button and hold on to your hat! Perfect marine safety navigation-signaling device. It meets Coast Guard regulations for boats up to 65 ft and it floats. Also ideal for industrial applications for the factory, warehouse, or the job site. With its loud broadcast, this horn can alert to danger, signal to crews, or command attention.