Humminbird PiranhaMax 215 Fish Finder Goes anywhere, and offers incredible ease of use with true, grayscale images and convenient features Dual-beam, with 20-, and 60-degree beam angles and operating frequencies of 200 kHz and 83 kHz Reliable down to a depth of 600 feet, and provides a target separation of only 2.5 inches 3.875-inch FSTN LCD display with 160 x 132 lines of resolution in 4-level grayscale Comes with XHS 9 20 T suction-cup mount transducer, and a 1-year limited warranty