150db Single Trumpet Air Horn Kit Truck Mega Train Car w DC 12V Compressor Loud Product Features?Material : High quality Chrome Plated ZINC Trumpets(Non-Rusting) Overall?Fits on Any 12 Volt Vehicle(Car, Truck, SUV, Motorcycle, Boat, off Road Vehicle, Busses etc)?Super-Loud 150 dB sound can not be ignored, Mounting Hardware: Included;Easy to install .?It works in a fresh or salt water environment and ideal for almost any weather condition.?WARNING: This horn is really loud. Please do not use it near school or hospital.. NOTICE: If you did not receive the relay or any accessory, please contact us to get it(You can click GAMPRO Automotive Accessories to contact us). Thanks.Product Description Sound Sample Link:https://youtu.be/yYxYMwyA4pc Features: Brand new truck air horn. Two tones trumpets, very loud. 150db super loud. Mounting hardware included. Easy to install. No air system needed. Specifications: For:Any 12V Vehicles Cars, Trucks, Vans, Buses, RV, SUV, Jeep and Boats Material: High quality Chrome plated ZINC trumpets(non-rusting) Voltage:12V Loudness: 150db±5db Length: Long trumpet: 11 inches Short trumpet: 8.3 inches Item weight(kg): 0.429kg Package weight(kg):1.16kg Package Includes: 1 X Dual Tones Air Horn 1 X Compressor 1 X Air Hose 1 X Set of Mounting Hardware 1 X Relay 1 X Wired Relay Plug 1 X Fuse 1 X Inline Fuse Holder 1 X Manual