These 12 Volt Long Horns are a practical and durable addition to any 12 Volt vehicle. With a powerful 120 decibel sound, these air-powered horns are sure to grab attention. Made from durable red plastic, the short trumpet measures 11-5/8 inches while the long trumpet measures 12-1/8 inches. Each horn comes with a heavy-duty air compressor, relay, hose, and all necessary mounting hardware. Designed to fit most makes and models, these horns are a reliable and easy-to-install option for those looking to enhance their vehicle's sound.