Navionics Platinum+ MSD-912P+ SD 912 — US W. Coast &

Blue and brown US West Coast marine chart provided as computer software. Includes GPS map data and navigation software for use with compatible chartplotters. Manufactured by Navionics Electronic Charts. Measures 1 inch high by 7 inches wide by 5 inches deep.You may also like iLocate Mini GPS Tracker for Hiking — 17-Hour Non-stop Tracking, 9-Day Battery, 4G-Lte.