Highlighted by a large 2.2-inch, 240x320 high resolution color screen with color graphics that help you quickly and easily identify specific data fields. When paired with an iOS or Android handheld through the free Lezyne Ally V2 app, the device provides turn-by-turn navigation, Strava Live Segments and phone notifications (incoming calls, texts and message app notifications). Additionally, the GPS device can be instantly customized through the app and it has on-screen preloaded maps, provides turn-by-turn navigation and off-line navigation.