Sea-Dog Sonic Mini Compact Horn - Chrome [431151-1] Brand_Presta or use a Shakespeare Style

or use a Shakespeare Style 410-R Mounting Kit plus a Style 4008 Extension Mast to form a 16' antenna system

The Fusion MS-CBUSB3

Screw connector for positive connnection

Housing Material: Die–cast Aluminum Housing

Sea-Dog Sonic Mini Compact Horn - Chrome [431151-1] Brand_Presta or use a Shakespeare StyleSonic Mini Compact Horn Chrome These Sonic Mini Compact Horns feature ASA plastic covers for impact and UV resistance. Mounting bracket can be used as a wiring template. Horn wiring has no polarity, so the negative or positive wire can be attached to either side. When installed, horns should point slightly downward to permit water drainage. At 108 decibels and a frequency (Hz) of 44020A, this horn meets US Coast Guard's COLREGS and ABYC standard A 23