The Edge 130 provides immediate data and shows that your workout is important to you. The compact but powerful GPS bike computer provides data so you can see how far, how fast and how high you have travelled, how hard you have trained and even how to get back home. The clear display is 1.8" large and easy to read. You want more statistics and navigation functions? Link the Edge 130 to your phone or Varia bike lights and Varia radar for safer travel. Compact, durable design with a clear 1.8-inch display that is easy to read in both direct sunlight and low-light conditions GPS, GLONASS and Galileo satellite reception and altimeter lets you know how far, how fast and how high you've been on the longest climbs or on your way through town.