The Garmin GPSMAP 620 is a high-performance marine GPS navigator designed for boaters and sailors. It features a 5.2-inch color display that is easy to read in any lighting conditions, and it comes preloaded with detailed marine charts for the coastal US and Bahamas. The GPSMAP 620 also includes a built-in sonar that can be used to locate fish and underwater structures, making it a versatile tool for both navigation and fishing. To protect the screen of this valuable device, our website offers a range of high-quality screen protectors that are custom-fit for the GPSMAP 620.