Signal Blow Horn

This hand held air horn gives you the protection of a portable alarm system. The powerful horn's piercing 112db blast (that's LOUD, this is not a toy) sends an emergency signal that can be heard up to 1/2 mile on land or 1 mile on water. Non-flammable, contains no CFCs, 100% safe for the ozone. 3.5 oz. (99g)