TMS 12V Dual Trumpet Air Horn Compressor Kit Train Car Truck Boat RV Van Motorcycle 125db Loud Condition: Brand New.Features: Construction: Chrome plated zinc alloy. This dual trumpet air horns can fit in almost any vehicles,deliver the big sound you need. A great way to give that loud, bellowing sound without taking up a great amount of space. Easy to fit,provides powerful & loud tuned train sound. Fitment: Suitable For 12V Car ,Trucks,Tractor, Boats,Motorcycles.No instruction is included.Professional installation is highly recommended. Specifications: Voltage12V. DB output: 125 db. Trumpets Bell Width: 3 1/16". Trumpet Lengths:8",6 3/8". Horns Overall Dimensions: 8"(L) x 5 1/2"(W x 3 1/8"(H). Compressor overall dimension: 4 1/4'' (L) x 2 3/4'' (W). Package included: 1 x Car air horn. 1 x Compressor. Mounting hardware.