4" DIAGONAL SCREEN; FILM SUPERTWIST LCD DISPLAY; 240 X 160 PIXEL DISPLAY; 16-LEVEL GRAYSCALE; 800W PEAK POWER; 100W RMS; DEPTHS UP TO 600 FT; BUILT-IN TEMP SENSOR; 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; HANDS-FREE OPERATION; 1-YEAR WARRANTY