Osculati Built-in Flush Mount Horn with Spiral Amplifier UOM (PN#):Piece (21.101.00) Made with durable multi-layer construction

Made with durable multi-layer construction and reinforced core

secure the Grouper's weight below the bottom of the hull before attaching the alligator clip to outboard or outdrive mounting bolt

you can charge it when it's flat or eventually switch with your spare battery

Bonds to metal for long lasting protection

Max-props recommend to use Lubriplate No

Osculati Built-in Flush Mount Horn with Spiral Amplifier UOM (PN#):Piece (21.101.00) Made with durable multi-layer constructionABS body, white grill, the spiral amplifier emit a very powerful sound (acoustic range: 112 dB). Outside size 79 x 141 mm, cut out size 60 x 96 mm, depth 110 mm.