FARBIN Boat horn Waterproof Stainless Steel Dual Trumpet,Electric Horn for 12v and 24v Boats Ship Sailboat Yacht Off-Road Vehicle Truck SUV RV Vans Touring Car 24V Cargo Boats Wheel Ship Train Lorry Trucks

12V horn Amperage of 7 Amps with Voltage of 12 Volts.Specially Designed for Marine Applications, Ideal for 12v Boats, Yacht, RVs’ ,Trucks and Off-road Vehicle.
24V horn Application Any 24-volt Vehicle, Trains and Boats.
The Sound Output of 125db,The Frequency Is 370 +/- 20Hz; 310 +/- 20Hz .Maintenance Free 100% Stainless Steel 304 Non-magnetic Marine Grade Material with Bright Polished Chrome Finish that Will Not Rust.
With An Adjustable Trumpet Stand to Prevent Vibration, Package Also with Two Rubber Gaskets and Several Mounting Screws.
Engineered for Exterior Use in Almost Any Weather Condition ,Including Fresh or Salt Water ,Specially Designed for Marine Applications.
Does Not Require A Compressor or Hoses, Simple Two Wires Connection (Positive and Negative)，Saving Time and Money.