FARBIN Loud Truck Horn 12V Air Horn Loud Car Horn Kit With Relay Harness And Switch Button For Truck Car Train Motorcycle (Black Horn With Harness And Button) Review

[130db bright alarm] -The horn loudness 130db, can issue a warning that can not be ignored, attract more attention, avoid more accidents on the road, help to warn other vehicles and pedestrians, ensure your safety. [Compact, exquisite, waterproof] -Compact and exquisite design perfectly solves the problem of insufficient installation space of some models , high-quality ABS material + waterproof shell, fixed bracket iron sheet,good waterproof performance. [General Speaker]- Is suitable for DC 12V vehicles such as automobiles and trucks, it is suitable for most motorcycles, all-terrain vehicles, karts, off-road vehicles, pocket bicycles and 12V power cars. [Easy to install] -This speaker has complete accessories, including relay, wire harness,fuse,nut, bracket,switch button and instructions, It is very convenient to install it by yourself . matters needing attention: one line of the button connects to the blue line (or white line) of our wiring harness, the other line of the button connects to the battery positive line, and the white line(or blue line) in the wiring harness connects to the frame. These are easy to connect wrong, resulting in the relay does not work.Please check it carefully!.