Humminbird HELIX 15 CHIRP MEGA SI+ GPS G4N CHO Display Only Lanterns The Speedi Seal is water-based

The Speedi Seal is water-based and environmentally friendly leaving no streaks or smears

This remarkable capability is achieved through our proprietary FlockSense™ sensor signal-capturing technology

52-channel GPS w/standard internal antenna (optional external antenna)

24V 50Ah Lithium-Ion Battery (LiFePO4) Battery

Compatible with leading satellite TV service providers around the world on rough seas

Humminbird HELIX 15 CHIRP MEGA SI+ GPS G4N CHO Display Only Lanterns The Speedi Seal is water-basedHELIX 15 CHIRP MEGA SI+ GPS G4N CHO Display Only The HELIX 15 CHIRP MSI+ GPS G4N CHO features a 15. 4" display, MEGA Side Imaging+, MEGA Down Imaging+, Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As with all HELIX G4N models, this HELIX 15 includes standard features such as AutoChart Live, Wi Fi and NMEA 2000, in addition to Bluetooth and Ethernet networking for compatibility with the One Boat Network family of products from