12V 24V free Super Loud Long Dual Trumpet Train Truck Air Horn

TWO ZINC TRUMPETS WITH JGK-505 VALVE,OR USE JGK-502 VALVE,the lengthes are longer than Model No.JGY-101

12V 135db Super Loud Dual Trumpet Air Horn For Truck

https://www.alibaba.com/product-detail/12V-135db-Super-Loud-Dual-Trumpet_272902528.html?spm=a2747.manage.list.154.3b3b71d24pz8tH

12V or 24V Dual Air Horns Seger air horn with chrome trumepts

https://www.alibaba.com/product-detail/12V-or-24V-Dual-Air-Horns_60491180921.html?spm=a2747.manage.list.61.3b3b71d24pz8tH