Humminbird Helix 7 GPS Chirp MSI G4N [411940-1] Brand_Powerwinch The RH-1 loud horn is

The RH-1 loud horn is for the hearing impaired or installation with extreme ambient noise levels

Gain: 25 dB

exclusive low-loss DA195

Compact Light Weight 20” Radome

Humminbird Helix 7 GPS Chirp MSI G4N [411940-1] Brand_Powerwinch The RH-1 loud horn isHelix 7 GPS Chirp MSI G4N The HELIX 7 MEGA SI GPS G4N fish finder features MEGA Side Imaging, MEGA Down Imaging, Dual Spectrum CHIRP Sonar, AutoChart Live, Internal GPS, and Humminbird Basemap built in. An upgraded high definition 7" display will give you the best view of the many pre loaded split screen view options so that you'll never miss a fish. All HELIX 7 G4N models support Ethernet networking, Bluetooth(R), NMEA 2000(R), and are compatible