TomTom Runner GPS Watch+Heart Rate Monitor Extra-Large Display so you can see your key running stats at-a-glance. Graphical Training Partner helps you train more effectively with full-screen graphics and three unique training modes. One-Button Control allows you to easily navigate through menus. Indoor Tracker: Track your run indoors and on a treadmilll, no extra foot pod required. Includes Heart-Rate Monitor to better measure the intensity of your workout. Extra-Large Display so you can see your key running stats at-a-glance. Graphical Training Partner helps you train more effectively with full-screen graphics and three unique training modes. One-Button Control allows you to easily navigate through menus. Indoor Tracker: Track your run indoors and on a treadmill, no extra foot pod required. Includes Heart-Rate Monitor to better measure the intensity of your workout.