Deluxe All-Stainless Single Trumpet Horn - 12V Features: 304 Stainless Steel inside & out including a 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; Specifications: Dimensions: 16-1/2"L, 4"W, 4-3/4"H (42 x 10 x 11.5 cm); Max Amp Draw: 4 Amps; Rating: 118 db@ 1 Meter; - cis2:mm5mnJlm -Specifications: Voltage - Input Range (Volts): 12v; Color: Stainless; Box Dimensions: 4"H x 9"W x 19"L WT: 2 lbs; UPC: 768170100271;