HK 12V 150db Air Horn for Truck, Super Loud Dual Trumpet Air Horn Kit with Compressor for Any 12V Vehicles Trucks Lorrys Trains Boats Cars Vans Kit (Black) - B0B6B5J4GV

• 【High Quality】HK air horn is made of high-quality ABS and chrome plated zinc alloy material, which can ensure air horn durability and longevity. Waterproof air horn that can work in a variety of temperature environments. 【150DB Super Loud】Train Horn Stronger air pressure can be made of upgraded air compressor and larger coil, 12V dual trumpet air horn kit will produce a powerful 150DB loud tuned train sound that can't be ignored. 【Fit 12 Volt Vehicle】The train horn for truck fits for Any 12 Volt DC Power Vehicle including Car, Truck, Pickups, SUV, Motorcycle, Boat, off Road Vehicle, Bus etc. 【Easy To Install】You just need to connect the two wires on the car horn to the 12V power supply (Red wire to positive pole, black wire to negative pole), and it will work normally. 【Package including】1 X Dual Trumpet Air Horn, 1 X Set of Mounting Hardware, 1 X Wire Harness, 1 X Relay (Back up, when the blue light above the original relay does not light up, you can replace the spare relay).