The Air Max Air Horn is a practical and reliable accessory for all 12 Volt vehicles. With a powerful sound output of 120 decibels and a frequency range of 780/840 Hz, this horn ensures maximum alertness on the road. Each pack includes two durable black plastic trumpets - one long and one short, with the longest trumpet measuring 8-1/2". Available in black or chrome, this horn fits most makes and models. It comes complete with all necessary mounting hardware, relay, hose, and a compact compressor. Enhance your vehicle's safety and be heard with the Air Max Air Horn.