5" diagonal display 240 x 320 pixels resolution.The slim-line, freshwater GPSMAP 530 flush-mounts easily in your boat and sports preloaded, detailed maps for U.S. inland lakes. The 530 also features simple, straightforward buttons and menus. The sounder version, GPSMAP 530s, comes with a powerful dual frequency or dual beam transducer that clearly paints depth contours, fish targets and structure. It’s also CANet™ compatible, so you can share sounder data with another chartplotter on your boat. Expandable and upgradable. Optional g2 Vision and Optional BlueChart® g2 Vision card.