Four Tube Silver Car Horn - Electromagnetic Electric Horn Solenoid Control Air Horn Waterproof Whistle 12V 175DB Loud Motor Car Sound Valve for Vehicles, Trucks, Trains, Boats, Lorries, Vans

The positive and negative poles of the power supply are respectively connected with the two wires on the solenoid valve(no positive or negative points) The air tap on the solenoid valve is connected to the gas source of the vehicle(make sure no air leak) Specifications: Condition: 100% Brand New Color: Silve Decibel: 175db Voltage: 12V Four-tube speaker kit Gift: 5 X high-quality nylon cable ties 1 X power cord 1.5 m. Features: 4-trumpet air train horn with glistening Silve finishing For:Any 12V Vehicles Cars, Trucks, Vans, Buses and Boats Notes: Professional installation is highly recommended if you have any difficult in installation

• 1.Sound and installation: Easy to install, just install it on an empty compressor for easy installation. The four Silver speakers with unique appearance, up to 175 decibels of sound, super loud. Small in size but powerful in power, it can adjust the sound of train horns.
• 2.Unique appearance, neat and striking arrangement, excellent sound quality and stable frequency. Long service life and reliable and stable working performance. Applicable to any 12V DC electric vehicle (car, truck, SUV, motorcycle, ship, off-road vehicle, bus CUV RV van, etc.).
• 3. waterproof horn, shiny Silver four-tube speaker, reasonable speaker arrangement gives you a different visual experience.
• 4.It works in a fresh or salt water environment and ideal for almost any weather condition.tough enough to withstand the any weather and form of elements of blizzard.You can use them anytime, anywhere!
• 5. The horn is very loud Please do not use it near school or hospital.If you have any problem with the product, just contact customer service, we will try our best to help you.