BUILT-IN 12-PARALLEL CHANNEL GPS+WAAS RECEPTION; 5" DIAGONAL SCREEN; HIGH-DEFINITION 320 X 240 RESOLUTION; UP TO 800-FT DEPTH CAPABILITY; BUILT-IN BACKGROUND MAPS OF CONTINENTAL US & HAWAII; 200 KHZ SKIMMER® TRANSDUCER WITH BUILT-IN TEMPERATURE SENSOR; ADJUSTABLE PING SPEED WITH AUTO HYPERSCROLL™; FASTRACK™ VERTICAL BAR FLASHER DISPLAYS REAL-TIME SONAR RETURNS & STRENGTH OF EACH TARGET; ADVANCED SIGNAL PROCESSING (ASP™) AUTOMATICALLY ADJUSTS SETTINGS FOR BEST SONAR PICTURE; COLORLINE™ SEPARATES FISH FROM NEARBY STRUCTURE & HELPS DEFINE BOTTOM COMPOSITION & HARDNESS; ADVANCED FISH I.D.™ SHOWS UNDERWATER TARGETS IN DIFFERENT SIZES OF FISH SYMBOLS ; FISHTRACK™ DISPLAYS TARGET DEPTH READINGS ABOVE FISH SYMBOLS; SELECTIVE ON/OFF SONAR ALARMS; WATERPROOF CARD SLOT FOR SECURE DIGITAL CARD™; RUGGED WATERPROOF CASING; 1-YEAR WARRANTY