FeaturesSpecification:- Voltage: 12V/24V- Frequency: low 410HZ high 510HZ- Hz Sound level: 60 dB- Power: approx. 48 WDescription:1.Innovative Design2.Loud, Clear and Deep Train-Like Sound.3.Simple Installation.4.Complete Water and Weather Resistance.5.Broad Compatibility6.High Quality MaterialProduct description:1.The internal reflux design, up to 60DB loudness, gives you a loud voice to warn others, and provides a certain degree of safety for driving.2.ABS polymer material, strong corrosion resistance,waterproof product,It won't get rusty and circuit short when it is raining, extend the service life, more worry-free when using.3.The unique mounting bracket design makes the installation firmer, and the bracket is universal, allowing you to install it in any position, it only requires 12V power supply and lower power consumption.4.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.PACKAGE INCLUDES:2 X 60 DB Super Train Horn For Trucks2 x Sheet Iron2 x Screw HatNote:1. Due to the difference between different displays or display lighting, our products may have a little color difference.2.Due to manual measurement, please allow an error of 1-3mm.Products Show