Lowrance iFinder H20 Plus 2.83-Inch Waterproof Marine GPS Waterproof, handheld GPS+WAAS navigator with MapCreate 6 CD-ROM, MMC memory card, and card reader/writer 12-parallel-channel GPS and WAAS receiver; 3-inch backlit LED screen with 240 x 180 resolution 1,000 waypoints, 1,000 event markers, and 100 routes; dual processors for faster screen updates and scrolling Single 16 MB MMC card stores map files; MapCreate 6 software includes 2 million points of interest Comes with cigarette plug adapter; measures 2.54 by 5.58 by 0.95 inches (W x H x D); 1-year warranty