THE EASIEST INSTALLATION: New upgrade. With a smaller size, we installed the air pump and the horn together, which is consolidate product quality and reduced installation steps, now you only need one step to install
FITS ON ANY 12 VOLT VEHICLE: Car, Truck, SUV, Motorcycle, Boat, off Road Vehicle, Buses etc
SUPER-LOUD: 135 dB sound can not be ignored. Can definitely achieve the loudness you want.
GOOD CUSTOMER SERVICE: If you have any questions during your purchase, feel free to contact us and we will solve the problem.