Combines state of the art color display technology with Raymarine's patented High Definition Fish Imaging for unmatched fishfinder performance. Employing a digitally adaptive transmitter/receiver that targets fish and bottom structure with amazing clarity and color separation. Key features: HDFI echo sounder, powerful 500W RMS transmit power, dual frequency 200kHz/50kHz, transflective advanced TFT LCD technology, daylight viewable 256 color display, and standard multifunction depth, speed and transom transducer. Max depth 2000 ft (varies depending on conditions).