COMPATIBLE VEHICLE TYPES: For heavy-duty trucks and semi-trailers, For commercial vans and passenger vans, For school buses and shuttle buses, For watercraft and marine vessels, For SUV and pickup truck applications
HIGH-PERFORMANCE AIR SYSTEM: Features 150 PSI heavy-duty air compressor with 0.8 gallon air tank capacity providing consistent air pressure for reliable horn operation and multiple sound bursts
180 DECIBEL SOUND OUTPUT: Four-horn design produces 180dB train-like sound projection with steady frequency output ensuring audible presence in all traffic and weather conditions
DURABLE WEATHER-RESISTANT CONSTRUCTION: Manufactured from zinc alloy aluminum and ABS materials with corrosion-resistant properties suitable for extreme weather conditions and long-term outdoor use
COMPLETE INSTALLATION KIT: Includes all necessary components for installation: air compressor air tank four horns mounting hardware air hose electrical connections and detailed installation instructions