Electric Marine Trumpet Horns - Pair SetThese Five Oceans´ electric horns are made with a non-magnetic stainless steel diaphragm and a tough ABS trumpet, what gives them great quality and beautiful bright finish that will not rust at the best price in the market. Designed for exterior use they are really light, what makes them ideal for boats in a salt water environment. Ideal to be used on boats, trucks, RVs and all others 12-volt vehicles in almost any weather condition. Five Oceans´ horns are maintenance free and do not require a compressor or hoses, saving time and money.