DXNQ Train Horn Air Horn for Truck, 12V Super Loud Snail Car Horn with Relay Wiring Harness Compressor, Waterproof Electric Snail Air Horn Kit for 12V Vehicles Motorcycle Boat SUV (Red)

【Powerful Sound】: The snail car horn produces a sound exceeding 130 decibels, ensuring it can be heard even in noisy or high-traffic environments. Its strong penetrating ability makes it an essential safety feature, effectively alerting others to your presence when it matters most.

【Durable Construction】: Crafted from quality ABS plastic with thickened edges and a high-temperature base, this horn is built to withstand harsh conditions. Additionally, its compressor features an aluminized metal casing and all-steel wiring terminals, ensuring long-lasting reliability.

【Superior Conductivity】: The included wiring harness is made from high-quality copper, which significantly improves conductivity. This feature minimizes voltage drops and ensures optimal performance of the horn, providing a reliable and efficient connection for long-lasting use.

【Easy to Connect】: Simply insert the fuse into the card slot, connect the relay to the plug, and wire the compressor terminals (black to negative, yellow to positive). Then, connect the red and blue wires to the battery's positive side and the black and white wires to the negative.

【Wide Compatibility】: The snail horn with compressor fits all 12V vehicles that have an air supply system. Whether you own a truck, motorcycle, boat, or SUV, this horn offers a solution to enhance your auditory signal, ensuring that you remain heard and safe on the road or water.