Product Description: This Air Horn produces a loud powerful sound. Constructed of metal to ensure maximum strength and durability with a front pedestal that eliminates vibration at high speeds or on rough roads.hard, durable, wear-resistant and corrosion-resistant, and also has long service life. Ideal for semi-trucks, and compatible with 12V system, can be used for SUV, motorcycle, yacht, boat, off-road vehicle, bus, train, etc. Specification: Air Horn: Size:260/300/340×80(dia)mm Volt:DC 12V Current:4.0A Sound Level:150dB Operation Air:0.3Mpa-0.8Mpa Horn Type:Train Material:Metal Color:Silver Type:Horn Mounting Hardware Included:Yes .
eBay