Motorcycle horns auto horns loud Air Horn kit; Motorcycle series set; Waterproof Round Loud Horn Speakers Material: Metal Color: Black horns audio Voltage: DC 12V Current: 1.5A Sound Output: 105db Sound Level: 105dB, high powered sound Dimension: 7 x 9 x 3.7 cm/ 2.75???? x 3.54???? x 1.46????(D x H x W) Universal, fits for most Scooters/Mopeds, ATVs, Go-Karts, Vespas, Dirt Bikes, Pocket Bikes,and Motorcycles.Product Description Features: ?For use with most 12V motorcycle ?Direct unimpeded sound transmission ?Sound loud, improve sound quality ?Good quality, High hardness, Long life expectancy ?100% brand new and unused ?Easy to install, No instruction Specification: –Handle Length: 6.5cm/ 2.56 inches –Screw Hole Diameter: 0.5cm/ 0.2 inches –Current: DC 12V/1.5A –Color: Black –Material: Metal –Decibel: 105dB Package Include: 1 x Universal Motorcycle Horn Notice: 1-2cm error of measuring is a reasonable range due to different measurement method. We are committed to provide our cust