1. Loud double tone Internal recirculation design, maximum capacity, loudly warn you of others, and provide a certain level of safety for driving. With our horn you can reduce unnecessary injuries.^2.Waterproof material ABS polymer material, strong corrosion resistance, waterproof, will not rust and cut when it rains.^3.Lightweight There is no bulky air compressor, just a small device that produces incredible sound. So compact^4. Easy to install Our horn is equipped with screws and brackets. it makes the installation easier for you; It only needs electricity and reduces electricity consumption.^5. Wide compatibility The pull horn is suitable for almost all vehicles. While it's a perfect upgrade for trucks, our horn is also compatible with SUVs, cars, ships and motorcycles. ^