Amarine Made 12v Marine Boat Horn 125db Stainless Steel Dual Trumpet Horn for Ship Truck RV Trailer, Low and High Tone, 18-1/2"

Low tone: About 125db,The sound of this horn is loud enough for others to clearly hear it at a respectable distance.The sound is strong,loud and in good tone.Not sound like a beetle,more like a large semi-truck. I am sure other boaters will hear it.. Stainless steel 304 non-magnetic grade with a bright polished finish that will not rust.. Designed for exterior mounting on any 12-volt vehicle; trucks, SUV's, RV's, and boats in a fresh or salt water environment and ideal for almost any weather condition.. Maintenance free and does not require a compressor or hoses.. Includes a stainless steel adjustable trumpet support to prevent vibration and comes complete with rubber gaskets and stainless steel mounting hardware.