Unique waterproof sand control cover design, make this can prevent sediment into when you ride, extend the sevice life of this speaker. This adopts pure copper terminal design, make this conductive line not only better, and more resistant corrosion and prolong its service life. Unique design of the mounting bracket, can make more stable, and support for universal, can let you installed in any position on the motorcycle. Universal, fits for most scooters,mopeds, ATVs, Go-Karts, vespas, and motorcycles. The Motorbike horn can warn other cars and pedestrians. Package Include:1 x Motorcycle Horn