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. 12V snail horn can help you reduce unnecessary injuries.High Performance: car snail horns is designed to safety when you are and driving; It has better conductivity, stable characteristics and high reliability, which can you with a superior using experience Material: The car dual-tone horn is made of material; 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 cleanWide Application: horn is suitable for any vehicle! For example: various motorcycles, ATVs, karts, trucks and 12V power supplies and so on. 't worry about speakers not adapting at all. the most important is! horns are also compatible with SUVs, passenger , ships and motorcycles.Perfect gift: This is an auto parts horn that can you with safe driving. I this is the product which your , family and your need. You can give as Christmas gifts or birthday gifts. They will scream!Voltage: 12VFrequency: low 410HZ high 510HZHz Sound level: 300 dBPower: . 48 Wcolour:Red+blackMaterial:PCPackage Contents:2 x 300DB Super Horn For Trucks2 x Sheet Iron(The color is random, the specified color cannot be )2 x Screw Hat