300DB Train Horn for Your TruckOur 300DB(2*150DB) Train Horn offers the loudest sound on the market, while also being the most compact Train Horn offered.^ Dual tone loudlyThe internal reflux design, up to 300DB loudness, gives you a loud voice to warn others, and provides a certain degree of safety for driving. Our 12V snail horn can help you reduce unnecessary injuries.^ Innovative Design: Our Horn features an extremely powerful directly injected mini-compressor to really charge and amp up the sound All integrated into one small but powerful device ^ Broad Compatibility: Train Electric Snail Horn is Suitable For Almost Any Vehicle While Its the perfect upgrade for trucks, our horn is also compatible with SUVs, passenger cars, boats and motorcycles.^ Corrosion-corrosion WaterproofThis loud train horn are made of ABS polymer material with strong Corrosion-resistance and Waterproof function. Will not rust and short-circuit when it rains. It will not be cracked due to long-term exposure on sunny days, will not be affected by rain and strong light. Its very durable ^ When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it