Mini Compact Dual 12 VoltDimensions: 3"L 8"W 1-¾"H (7.5 x 20.5 x 4.5 cm)Max Amp Draw: 6 Amps Rating: 112 db@ 1 MeterStandard Horns304 Stainless Steel Trumpets Diaphragm and Mounting BracketsMeets ABYCA-23 for boats up to 12 meters Pre-wired Fits existing hole patterns Much louder than petitive models Product : ONGARO MINI COMPACT TWIN HORN 12V Manufacturer : SCHMITT ONGARO MARINE PRODUCTS Manufacturer Part No : 10001 UPC : 768170100011