Loaded with ready-to-use Nautical Charts, Navionics+ is high-definition mapping in 2-D for fresh- and saltwater. With Regional Mapping the SD card, receive a 12-month subscription to Freshest Data for updates to the Nautical Charts, SonarChart, Community Edits and more. Enhance your charts with sonar log scanning, then upload sonar recordings to share detailed contours with other anglers for the freshest and most accurate data. Simply plug your chip into your PC/Mac and download the coverage you need from navionics.com. The best part is that you choose multistate coverage nationwide wherever you want until the chip is full. The 16GB chip stores your loaded information based on the region youre in. (Freshest Data must be started within two months of purchase.) USB SD-card reader included. Available: North: MN, ND, SD, IA, WI, MI, all of Lake of the Woods and Rainy Lake, U.S. waters of Lakes Superior, Michigan, Huron and Erie. South: FL, GA, LA, MS, AL, TX, NM, OK, AR, MO, KS and NE. Both fresh- and saltwater. East: ME, NH, VT, MA, CT, RI, NY, PA, OH, IN, MI, IL, KY, TN, SC, NC, VA, WV, MD, DE, NJ, U.S. waters of Lakes Michigan, Huron, Erie and Ontario. Both fresh and salt water. West: ND, SD, MT, WY, CO, AR, NV, UT, ID, WA, OR and CA. Both fresh- and saltwater. Canada: All of Canada, plus Alaska. Both fresh- and saltwater. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Lake Map Software.