Super Loud Train Electric Air Horn 600DB Dual Trumpets 12VCar Truck Boat Speaker

Features 

Stronger air pressure can be made of upgraded air compressor and larger coil, which can prompt the horn emit a louder and clearer sound. 

Compatible with 12V system, can be used for SUV, motorcycle, yacht, boat, offroad vehicle, bus, train, etc. 

High quality chrome plated zinc and aluminum alloy materials, hard, durable, wearresistant and corrosionresistant, and also has long service life.