Get the integrated-boat experience with digital switching that allows you to operate onboard electrical functions right from your GPSMAP® or ECHOMAP™ chartplotter. Reduce reliance on traditional switches and fuses. Add digital control and software current monitoringSet it up your way. Position and name switches with the easy-to-use interfaceRetrofit into your boat. It requires no special tools or configuration Includes: Boat Switch, Boat Switch Harness X1 & Harness X2See Garmin website for compatible units.