The Humminbird LakeMaster Great Lakes Edition, Version 4 micro map card has added over 140 lakes, 50 High Definition waters to now boast contours for a total of over 1540 lakes with more than 380 lake maps in High Definition for Michigan, Indiana, and Ohio.

Features:

– Easy to read contours
– Depth Highlight Range
– Water Level Offset
– Shallow Water Highlight
– Scrollable Lake List

Includes:

– Micro Card With SD Adapter
– Waterproof Carrying Case

Specifications:

– Compatible With: i-Pilot Link
– Includes Maps: For Lakes Within Michigan, Indiana, Ohio and the Great Lakes (Michigan, Superior, Huron, Erie & Ontario)