Stainless Steel 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 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 Product : ONGARO SS MINI COMPACT SINGLE HIDDEN HORN 12V Manufacturer : SCHMITT ONGARO MARINE PRODUCTS Manufacturer Part No : 11032 UPC : 768170110324