Mini Hidden Compact Single 12 VoltDimensions: 3"L 3-¼"W 1-¾"H (7.5 x 8 x 4.5 cm) Max Amp Draw: 3 Amps Rating: 105 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 SINGLE HIDDEN HORN 12V Manufacturer : SCHMITT ONGARO MARINE PRODUCTS Manufacturer Part No : 11031 UPC : 768170110317