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

【300DB Train Horn for Your Truck】Our 300DB(2*150DB) Train Horn offers the loudest sound on the market, while also being the most compact Train Horn offered. 【Dual tone loudly】The 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 Horn is Suitable For Almost Any Vehicle! While It's the perfect upgrade for trucks, our horn is also compatible with SUVs, passenger cars, boats and motorcycles. 【Waterproof Material】ABS polymer material, strong corrosion resistance,waterproof product,It won't get rusty and circuit short when it is raining.