CHIRP sonar/GPS for intelligent fishing above and below the waterline. Best view thanks to HyperVision 1.2 megahertz sonar technology, raises the resolution of DownVision and with the compact HV-100 transom mount transducer you experience SideVision and Realvision 3D as well as precise fish identification. Detect structures, vegetation and fish with stunning, lifelike clarity. The sunlight viewable display with integrated GPS/GNSS receiver Smart Mapping! Supports Raymarine LightHouse NC2 charts with Fishing Hot Spots®, Navionics and C-MAP Optimized for super high resolution images up to 30 meters. High speed tracking and depths up to 270 meters are possible. Raymarine offers convenient transom and depth sounder options for any boat.