Autopowerz one stop solution for accessories, Vehicle compatibility: – Autopowerz MOCC Horn Universal for all cars and bikes. The super tone horn is to be used with 12 V automotive electrical systems only, The Autopowerz Super tone Horn shield is there to protect the horn form water dust and dirt .Using the our Super tone Horn without the shield may allow water dust and dirt to enter the horn causing a malfunction and will shorten the life of the horn ,Do not Install Horn in a location that will reach over 140 F High Temperatures may affect the tone of the Horn. Install the Horn In Place of the all model Bike .Do not Use the Horn Super tone doing so may violate local noise regulations.