Just the touch of a button produces a blast that can be heard a mile away over land or water.Falcon Marine Horns were designed by acoustical experts and are made and tested in the US. Guaranteed to carry their sound up to one mile over land or sea.Key FeaturesFalcon boat horns meet all US Coast Guard requirements for sound signaling devices for boats up to 65 feet (20 meters)80 blasts per canHorns are 100% ozone safe and will provide a 120 dB bastHigh-impact plastic for a rugged, unbreakable hornRefills are availableSize: 11" tallRefill Size: 6oz.