The compact design of this Marinco Dual Trumpet Horn makes is ideal for installation in smaller spaces. This electric horn is manufactured with a 100% stainless steel exterior and type 304 stainless steel diaphragm. 12V dual trumpet horn. Maximum amp draw: 7 amps. dB(A) rating: 110 at one meter. Fundamental frequency: 460±15 / 415±15 Hz. 16"L x 7.5"W x 4"H.