Deluxe Stainless Steel Single Trumpet 24 VoltDimensions: 16-1/2"L, 4"W, 4-3/4"H (42 x 10 x 11.5 cm) Max Amp Draw: 2 Amps Rating: 118 db@ 1 MeterStainless Steel HornsAll Stainless Steel Inside & Out304 Stainless Steel inside & out including sealed sound unit No rust Guaranteed for 5 years.All meet ABYC A-23 for boats up to 12 metersPre-wired Fits existing hole patterns