The Garmin Forerunner 405 is loaded with serious training features, with the ability to continuously monitor your time, distance, pace, calories and heart rate (when paired with heart rate monitor). Each run is stored in memory so you can review and analyze the data to see how you've improved. You can even download recorded courses to compete against previous workouts or race a Virtual Partner. Customize Forerunner's data screens for instant feedback while you train. Heart rate strap included GPS-enabled sport watch tracks distance, pace, calories burned and heart rate Optional footpod can be used to gather speed and distance indoors ANT+Sport wireless technology automatically transfers data to and from your computer, no cables necessary Data can be uploaded to Garmin Connect website. Data can be analyzed, shared, and stored Innovative touch bezel interface requires user to tap or slide finger on bezel to control functions Battery life is 8 hours per charge or 2 weeks in power save mode Can be use for running or cycling Published Weight: 2.1 oz Watch features time of day (12/24h), dual time zone, day/date, and daily alarm GPS can mark waypoints, go back to start, and save locations Zone training, heart rate zone training, supports 5 heart rate zones Unit-to-Unit transfer of workout and location data to other Forerunner 405's Compatible with speed/cadence bike sensor