Ongaro Deluxe SS Shorty Dual Trumpet Horn - 12V Deluxe Stainless Steel Shorty Dual Trumpet 12 Volt Dimensions: 16 inch L 7-W 4 inch H (40.5 x 19 x 10 cm) Max Amp Draw: 7 Amps. Rating: 120 db at 1. Meter FF: 351 Hz +/ 20