Maybe one of these similar products would be of interest:-

HORN 12V Waterproof Loud 105dB Universal Motorcycle Car UTV ATV Boat Auto Bike

300DB Super Loud Car Horn, 12V Waterproof Car Air Electric Snail Horn, Auto High Low Tone Horn Replacement, Universal Accessories for Car, Motorcycle, Truck, Bike, Boat (Black TZ-101)

Motorcycle Horn 12V 1.5A 105dB, Universal Horn for Motorcycles Scooter and ATVs Cars Waterproof Speaker

2*HORN 12V Waterproof Loud 105dB Universal Motorcycle Car UTV ATV Boat Auto Bike

HORN 12V Waterproof Loud 105dB Universal Motorcycle Car UTV ATV Boat Auto Bike~