A professional sonar/GPS+WAAS unit with all the professional tools. The LCX-25C displays and incredible 480V x 640H resolution on a large 7" diagonal, 256-color TFT screen. Also compatible with NMEA 2000® networks. You get a choice of a dual- or single-frequency transducer, and with or without the GPS+WAAS antenna. And record/playback you sonar graphs and GPS details to MMC/SD cards, or load custom mapping via the two waterproof MMC/SD card slots.