MSK-1300 is truck whistle horn, generate 3 different sounds, suitable for truck, buses and all kind of heavy vehicles with air compressor on board, it operate with air so this product is loudest horn produces sound like whistle, also known as train whistle horn for trucks.
This product can be installed in car or suv or other vehicle with an external air compressor, it becomes a train whistle car horn or a lorry whistle horn if installed on a lorry.
12v whistle horn and 24v whistle horn both available, good quality material, cooper winding solenoid coil, chrome coated metal trumpet.