12V MiniBlast Compact Single Horn with Black CoverThe MiniBlast Compact Electric Horn features a long-lasting, non-corrosive ASA plastic cover and a sealed sound unit with stainless steel diaphragm.Features:. Mounts in same hole pattern as the 10035 horn. Dimensions: 4.375" L x 3.375" W x 2" H. Maximum amp draw: 3 amps, 12 volt. dB(A) rating: 106 at one meter (3 feet). Fundamental frequency: 430 +/- 20Hz