DriSentri Train Horn for Truck, 12V/24V 110-135dB Super Loud Triple Trumpet Train Air Horn for Boat Train Car Vehicle

High-quality Material: This air horn is made of excellent chrome-plated zinc and high-quality ABS plastic, which is waterproof, wear-resistant and corrosion-resistant, so you can still use the air horn without worry even on rainy days. Super Loud: The train horn for truck can produce a powerful 135DB loud tuned train sound that blares out a warning that can't be ignored. Universal: The truck air horn is suitable for all 12V/24V vehicles, can be used for most car, truck, train, pickups, boat, motorcycle, yachts, busses, etc. Easy to Install: Only needs to simply mount it on your air compressor. The air tap on the solenoid valve is connected to the gas source of the vehicle(make sure no air leak). Package Included: 3-trumpet air train horn, necessary hardware included (An installation instruction is not included).