Application:for universal car truck boatDescription:color:chrome,redMaterial:ABS+MetalCurrent:≤4AVoltage:12VSound pressure level :115dBFrequency:450Hz- Plays the good old fashioned "Oooooga" sound.- Solid one piece design with Easy One bolt mounting- Durable ABS Plastic Bell with Chrome Finish- Powered by a heavy duty 12V motor for Loud Output.- High Quality & High performance without the "high price"- Designed for Cars, Trucks, RVa??s and Morea?|a?|- Works with standard +12 Volt D.C. Electrical Systems.- Overall Size 4 1/2a?? Round x 9a?? LongPackage included:1xair horn