"Garmin GPSMAP 545s Marine GPS - 5"" Color LCD - 12 Channels - Warm Start 15 Second"

This offshore navigator boasts the brightest, sharpest, most colorful graphics you've ever seen on a 5-inch screen. The GPSMAP 545s has a 5"" VGA display; preloaded BlueChart g2 maps of the U.S. coast; and simple, straightforward buttons and menus. You can add the optional BlueChart g2 Vision SD card for even more enhanced features. The 545s has preloaded detailed maps cover all U.S. coastal areas and the Bahamas. For other areas, the 545s has a worldwide basemap with satellite images in place of more traditional maps. The SD card slot makes it easy to add additional maps without connecting to a computer. And with a simple, intuitive interface and high-speed processor, the 545s makes navigating easy. GPSMAP 545s, comes with a powerful digital sounder (up to 1 kW) and dual frequency 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. For continuously-updated weather information, you can add the optional GXM 31 antenna to receive XM satellite weather, including NEXRAD radar, and hundreds of XM radio stations right on your navigator.