For fog, rescue or any emergency signaling. It shouts out a blast louder than any other push-button horn available. It is 100% ozone safe, guaranteed unbreakable and meets U. S. Coast Guard regulations for boats up to 65'.
Small enough to carry anywhere. Powerful blast can be heard up to a mile away. Up to 12 blasts. 4-1/2" tall. Stainless steel non-corrosive diaphragm. U.S.C.G. recommended for boats up to 12 meters. 100% ozone safe.