Description: Better coverage area, immediate notice to everyone around us. Import productDescription: Better coverage area, immediate notice to everyone around us. Loud and clear sound. Practical, with waterproof cover fixing bracket. Simple installation, just like the normal speaker. Universal fits for most scooters and motorcycles.Specification: Material: Metal Sound Output: 105db Voltage: 12V Current: 1.5A Mounting Hole Diameter: 8mm/0.31inch Size: 10??6.8??2cm/3.9??2.7 ?? 0.8 inchPackage Includes: 2 Piece Motorcycle HornNote: Please allow 0.5-1 inch difference due to manual measurement. (1 inch = 2.54cm) The color of the actual items may be slightly from the listing images due to the computer screen, thanks for your understanding.Motorcycle Disc HornMotorcycle HornUniversal HornImport ProductNo invoice availableBest cobe area