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See whats below your boat in astonishing clarity with Humminbirds PiranhaMax 197C DI Sonar. It boasts Down Imaging, Fish ID+, fish alarms, depth alarms and zoom with an easy-to-use interface that makes all these functions simple, clear and easy to see, even in sunlight. Also features a tilt-mount base and has depth capabilities of 320 ft. with Down Imaging and 600 ft with Dual Beam. 3.5 320V x 240H 256-color screen. 2,400-watt peak-to-peak power. Dual Beam transducer 200kHz/28, 455kHz/16, 455kHz/74. IPX7 waterproof rating. Color: Clear.