This product is officially registered with [Life Design Johnson]. As we work with our affiliated factories and sell them, please note that if you have similar products, you will not receive the same product. Heavy bass/loud horn for motorcycles, cars, trucks, heavy equipment, boats etc. The clear sound quality is reminiscent of a bass like a dump car or boat steamer, and it gives you enough presence. It is also a very popular product for custom motorcycles and older vehicles. Since it is a universal type, it can be used as a safety device besides vehicles. Applications: Horns (horns) for motorcycles, cars, trucks, heavy machinery, boats, etc., and can be used as a safety device (horns) and buzzers (size): 7.9 x (W) 5.7 x (D) 6.3 inches (20 x 14.5 x 16 cm); Voltage: 12 V (does not fit 24 V vehicles); Volume: 200 DB; Material: Interior: Metal, Exterior: ABS. This is a generic product. Depending on the usage, it may be necessary for cutting and connecting wires, mounting stays, relay harnesses, etc. This product is brand new, but there may be small scratches and scratches that do not interfere with use. Depending on the arrival and production lot, the specifications may differ slightly from the picture. (Safe Quality Guarantee) To maintain high quality, our products are carefully selected at manufacturing factories, and thoroughly control the inspection and packaging, so we will deliver them to you in perfect condition but if you receive a defective product, please contact us before evaluation. We will give you a full refund or new product, please rest assured to buy.