Made of metal high quality material, it is durable and longer to use. It is suitable for cars with a handlebar distance of 25-28cm and a handlebar diameter of 2-2.2cm. Speaker is splash-proof four level waterproof, and it is not damaged by water splashing in any direction.    Item Name: Motorcycle Speaker Material: Metal DC Power Supply: 12V Output Power: 7W Features: Multifunctional, Durable, Waterproof, Easy to Install Size: 28cm x 6.2cm x 2.2cm/11.02" x 2.44" x 0.87" (Approx.)   Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.   Package Includes: 1 x Motorcycle Speaker (Power Cord Included) 1 Set of Installation Tools Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin