The appearance is unique and fashionable made of good quality metal material with charming shape. The sound is bright, and the circular design enhances the sound warning effect. Universal fit for most motorbikes, Scooters, ATVs, electric mopeds, Go-Karts, Dirt Bikes, Pocket Bikes, and Auto car with 12V power. se cover plate edge sealing technology to stabilize and waterproof, better sound quality.