LARGE, BUT COMPACT, 6.4" FULL VGA COLOR DISPLAY; SUNLIGHT VIEWABLE WITH BRIGHTER, CLEARER, WIDER-ANGLE VIEWING; BRILLIANT, PURE-WHITE LED SCREEN/KEYPAD BACKLIGHTING IS FULLY ADJUSTABLE TO DIM-TO-ZERO;TO PRESERVE NIGHT VISION; SUPERIOR CLARITY & UP TO AN ASTOUNDING 120ð VIEW OF FISH & STRUCTURE FINDING COVERAGE; PHENOMENAL SEPARATION OF FISH TARGETS FROM STRUCTURE, BAITFISH, THERMOCLINES, CLUTTER & BOTTOM.; IMPROVED UNDERWATER FISH-HOLDING STRUCTURE IDENTIFICATION; SUPER-SENSITIVE, 16-CHANNEL INTERNAL GPS+WAAS ANTENNA WITH FASTER TIME-TO-SIGNAL;LOCK & PRECISION POSITIONÃNETWORKS WITH NMEA 2000(R); BUILT-IN ENHANCED U.S. BASE MAP INCLUDES COASTAL SHORELINES, OVER 100,000 BODIES;OF WATER AND 5,000 ENHANCED LAKES WITH HIGH-DETAIL SHORELINES & DEPTH CONTOURS; LOWRANCE INSIGHT CARTOGRAPHY ; EXCLUSIVE FISHING HOT SPOTS(R) FISHING POI CONTENT, INCLUDES MARKED FISHING AREAS, BOAT LAUNCHES & FISH HABITAT AREAS; INSIGHT USA(TM) COVERAGE FOR CONTINENTAL U.S. INLAND WATERS & GREAT LAKES, PLUS U.S. COASTAL WATERS; HIGH-SPEED SD CARD SLOT