Backlit multicolor display, 320 x 240 pixels. Waterproof, die cast aluminum case fits most consoles. Adapts for flush mount. Screw and template kit included. Split screen display. Backlit keypad with 8 control levels. 120kHz dual beam transducer w/speed and temperature. FISHFINDER: displays depth 5'-1500' in 5 foot increments. Surface Signal Processing. 2z and 4x high speed tracking. Zoom modes w/split screen. Independent depth settings. 3-size fish symbols with fish alarm. Customize your display screen. TRACKPLOTTER/NAV: Strike mode displays distance from strike position Yardage. Guidance indicators. Advanced Graphical Fairway Guidance screens. Auto-centering pan function. 3-mode screens w/large numbers, speedometer graph, automatic temperature graph. Turbo-speed plotter screen redraw. Great Circle math for navigation/data calculations. 250-event storage memory for position, depth/temperature, event editing. 1000 points of track history with adjustable time/distance interval plotting. Switchable NMEA port for existing navigational devices or optional GPS sensor.