4" DIAGONAL SCREEN ; FILM SUPERTWIST LCD DISPLAY; HIGH-DEFINITION 168 VERTICAL PIXEL RESOLUTION ; BACKLIT SCREEN ; 4-LEVEL GRAYSCALE; 600-FT DEPTH CAPABILITY; 800W PEAK POWER ; UP TO 60º FISH DETECTION AREA; OPERATES AT BOAT SPEEDS UP TO 70 MPH ; ADVANCED SIGNAL PROCESSING (ASP™) AUTOMATICALLY ADJUSTS SETTINGS FOR BEST SONAR PICTURE ; GRAYLINE® SEPARATES FISH FROM NEARBY STRUCTURE & BOTTOM ; ADVANCED FISH I.D.™ SHOWS UNDERWATER TARGETS IN DIFFERENT SIZES OF FISH SYMBOLS ; FISHTRACK™ DISPLAYS TARGET DEPTH READINGS ABOVE FISH SYMBOLS ; BUILT-IN TEMP SENSOR