AS PC3 USB PC Connection Kit The Advanced Accessory System PC Connection Kit includes:PC USB port connectorAA Battery Power CableDetailed instructionsThe PC Connection Kit requires:PC USB Port8-AA BatteriesHumminbird PC SoftwareFor use with upgradeable and GPS products without a card reader. Used with your home PC, internet connection, and the Humminbird PC application to:Access software updates to enhance performanceDownload entirely new features and capabilitiesStore waypoints, routes, and other navigational data in your PC*AS PC3 Accessory Kit is not recommended for any 800, 900, or 1100 series models.