Raymarine Dragonfly-5dvs fishfinder with CHIRP Down vision and Sonar

The Dragonfly 5DVS offers dual CHIRP sonar channels - traditional sonar and DownVision. Unlike conventional fishfinder that transmit at a single frequency with each pulse, Dragonflys dual channel sonar uses CHIRP technology to transmit across a wide spectrum of sonar frequencies simultaneously – the result is much higher-resolution, life-like sonar images. An all weather optically bonded display deliver brighter colors, sharper contrast, and will never fog up. Supplied with a CHIRP Transom mount transducer