2pcs Universal Car Horn Auto 300DB 12V Super Loud Horn Vehicle Boat Snail Air Horn Waterproof Car Accessories

SpecificationMaterial: ABSLoudness coefficient: 300DBTechnical support: Vehicle power: 12VE mark rating: HIGH 510HZSingle speaker size: diameter: approx.9 cm ; depth: approx.9 cmFeatures:300DB Train Horn for Your Truck: The 300DB Train Horn offers the loudest sound on the market, while also being the most compact Train Horn offered.Fast Installation: The Train Horn is a high-quality, high-end train horn kit designed to integrate into as many trucks as possible. On top of that, the installation process takes less than an hour.Innovative Design: The Horn features an extremely powerful directly injected mini-compressor paired with a patented snail design to really charge and amp up the sound! All integrated into one small but powerful device.Extraordinary Equipment: There is no bulky air compressor, only a small device that produces incredible sound! It's so compact.Broad Compatibility: Train Horn is Suitable For Almost Any Vehicle! While It's the perfect upgrade for trucks, our horn is also compatible with SUV, passenger cars, boats, and motorcycles