The Combo with Connections. Features: Bright, sunlight-readable 6” combo. Built-in support for Garmin CHIRP traditional sonar plus CHIRP ClearVü™ scanning sonar (transducer sold separately). Preloaded worldwide basemap; compatible with BlueChart® g2 HD and BlueChart® g2 Vision® HD. Built-in Quickdraw Contours mapping software instantly creates personalized fishing maps on-screen with 1’ contours as you fish. Use built-in Wi-Fi® to pair with the free ActiveCaptain™ app for access to OneChart™, smart notifications¹, Garmin Quickdraw™ Community data and more. Share waypoints and routes with other ECHOMAP™ or STRIKER™ units.