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. High Performance: Our car snail horns is designed to improve safety when you are riding and driving; It has better conductivity, stable characteristics and high reliability, which can provide you with a superior using experience High Quality Material: The car dual-tone horn is made of high quality material; Its durable features allows you to use it for a long time; Besides, with the waterproof and dust proof cover, the car snail horns is easy to clean Wide Application: Train horn is suitable for almost any vehicle! For example: various motorcycles, ATVs, karts, trucks and 12V power supplies and so on. Don't worry about our speakers not adapting at all. the most important is! Our horns are also compatible with SUVs, passenger cars, ships and motorcycles. Perfect gift: This is an auto parts horn that can provide you with safe driving. I think this is the product which your wife, family and your friends need. You can give them as Christmas gifts or birthday gifts. They will scream! Voltage: 12V Frequency: low 410HZ high 510HZ Hz Sound level: 300 dB Power: approx. 48 W colour:Red+black Material:PC Package Contents: 4 x 300DB Super Train Horn For Trucks 4 x Sheet Iron(The color is random, the specified color cannot be selected) 4 x Screw Hat