The Garmin Forerunner 50 with heart rate monitor is the perfect training companion to support your fitness goals. ANTSport technology allows all Forerunner 50 components to transmit data wirelessly to each other and to your computer via USB stick. Simple, push-button operation allows you to easily switch between time, train, interval, history and data upload modes. Chest strap heart rate monitor helps you train in your target zone to optimize performance. Cyclists can enjoy the features of the Forerunner 50 when paired with the Garmin GSC 10 Speed and Cadence Sensor sold separately. USB ANT stick automatically receives data from the Forerunner 50 when within 10m. Data can be analyzed and shared with other users by downloading free Garmin Training Center GTC software on your computer from the Garmin website. GTC also allows users to categorize and design workouts based on activity-prior workouts can be saved by day and week designations. Forerunner 50 will store up to 100 laps and 7 hrs. of exercise data, and can be uploaded to GTC at any time. When you arent exercising, the Forerunner 50 can be used as full-function watch that features time, calendar day/date and daily alarm. Forerunner 50 also features a backlight and low-battery warning. Components operate on user-replaceable CR2032 batteries included. Includes: Forerunner 50, heart rate monitor, USB ANT stick and instruction manual. Overstock.