Humminbird LakeMaster Micro SD Card Digital GPS Maps make you an expert at navigating lakes across the country even before your first cast there. With scores of detailed and often high-definition maps of entire portions of the country, Humminbird LakeMaster Digital GPS Maps turn a greenhorn into a guide with the push of a button. Featuring exclusive patented features like depth colors, depth highlights, shallow-water highlights, and much more, Lakemaster map charts give you the big picture and the finer points for a pro-style fishing trip every time. Compatible with i-Pilot integrated GPS for self-guided trolling motor control and the ultimate automated navigation experience.
Detailed maps of lakes nationwide
Many high-definition lake maps
Depth highlight range
Water level offset
Product Color: Black
Size: Micro SD
Fits Model: Color HB Mapping Units