Humminbird 600041-4 Lakemater SmartStrike Chart - Wisconsin - MicroSD/SD - Version 4 revolution and things like your cell

and things like your cell phone

abrasion-resistant

two magnets

and we recommend you use it

Humminbird 600041-4 Lakemater SmartStrike Chart - Wisconsin - MicroSD/SD - Version 4 revolution and things like your cellSmartStrike Wisconsin V4 The Humminbird SmartStrike Wisconsin Edition, Version 4, is a micro map card and SD adapter with 1,750+ lake maps, including 499 High Definition lakes from WI. Features: Based on search parameters like season, time of day, temperature and targeted fish species, SmartStrike highlights areas of the lake map where your prey is most likely to be located before you even wet a line. Includes all lake maps found on the current