Deluxe All-Stainless Shorty Single Trumpet Horn - 12VFeatures:304 Stainless Steel inside and out including a sealed sound unitNo rustGuaranteed for 5 yearsAll meet ABYC A-23 for boats up to 12 metersPre-wiredIt fits existing hole patternsSpecifications:Dimensions: 13-1/2"L, 3-1/2"W, 4"H (35.5 x 9 x 10 cm)Max Amp Draw: 4 AmpsRating: 114 db@ 1 Meter