Solleci Supertone Dual Round Horn Kit Loud and powerful Dual Supertone Horns add a level of safety to your driving with 118db(A) of sound Black moated metal body with a red protective grille for a distinctive 8.58 inch height x 7.32 inch width x 3.50 inch diameter Kit includes one high-tone Supertone horn, one low-tone Supertone horn, one 12V relay two mounting brackets, and mounting instructions