Never miss a beat with the HRM-Pro™ Plus premium chest strap heart rate monitor. Featuring dual transmission, it provides accurate heart rate data to Garmin devices, compatible fitness equipment, the Tacx® Training app and other apps. It also captures running dynamics — including vertical oscillation, ground contact time, stride length and more — to help you improve your form and enable running power on your compatible Garmin watch. Plus, for indoor runs, HRM-Pro Plus sends pace and distance.  A tool-free quarter-turn battery door makes for easy battery changes and improved durability.  

Features:

"• Premium heart rate strap transmits accurate real-time heart rate and heart rate variability data via ANT+® technology and BLUETOOTH® Low Energy technology to Garmin devices, compatible fitness equipment, the Tacx® Training app and other apps
• Captures running dynamics, such as vertical oscillation, ground contact time, stride length, vertical ratio and more to help improve your form and enable running power on your compatible Garmin watch
• Computes pace and distance for treadmill or indoor track workouts
• Stores heart rate data during swimming or other activities out of range of your watch then automatically sends the data to your compatible Garmin watch when the activity is finished
• Includes activity tracking to store steps, calories, intensity minutes and all-day heart rate then updates all Garmin devices via the Garmin Connect™ app and the TrueUp feature•
• Small, lightweight heart rate monitoring module is no wider than the width of the soft, comfortable strap
• Tool-free quarter-turn battery door is easy to use and improves durability