Deluxe Stainless Steel Shorty Single Trumpet. 12 Volt. Dimensions: 13-1/2"L, 3-1/2"W, 4"H (35.5 x 9 x 10 cm). Max Amp Draw: 4 Amps. Rating: 114 db@ 1 Meter. Stainless Steel Horns. All Stainless Steel Inside & Out. 304 Stainless Steel inside & out including sealed sound unit. No rust. Guaranteed for 5 years.. All meet ABYC A-23 for boats up to 12 meters. Pre-wired. Fits existing hole patterns