12V Mini Hidden Hornmarinco Is The Leading Supplier Of Horns To The Marine Industry, With Over Fifty Years Of Experience In Designing And Manufacturing Sound Devices Specifically For Use In Harsh Marine Environments Stainless Steel Is Used For All Critical Components Such As Trumpets, Motor Cover, Diaphragms, Assembly And Mounting Hardwarefeatures:Type 304 Stainless Steel Diaphragmdimensions: 325 W X 175 H X 3 Lmaximum Amp Draw: 3 Ampsdb(A)Rating: 105 At One Meterfundamental Frequency: 430 +- 20Hznot Designed For Installation In Exposed Areas