Twin air horn output horn suitable for most makes and models of 12V vehicles. Fitting kit included. 118 decibels. OE standard, E and CE approved.
Description: Complete set air horn, sounds safety and clear, suitable for trucks Horn diameter: Approx. 7cm / 2.75 inch, 6.5cm / 2.56 inch Horn length: Approx. 20.5cm / 8.1 inch, 16cm / 6.3 inch Air pump length: Approx. 11cm / 4.3 inch Material: Metal + Plastics Voltage: 12V Pronouncing unit: Double channel Suitable Car: All type of car (12V) Horn color: Red Air pump color: Red Note: If your horn fuse is 10A, suggests you change it into 20A fuse to protect your car circuit Horizontal installation, horn mouth should be installed with downwards, in case the water flow into horn The horn and brackets should be installed on a solid surface Relay installation method: 30 connected positive pole of storage battery, 85 and 86 connected 2 port of original horn, 87 connected positive pole of air pump, and the negative pole of air pump directly connected the iron 1 x big horn 1 x small horn 1 x air pump 1 x adapter 1 x soft tube 1 x bag of install accessories 1 x installation instruction.