Track your heart rate during your run with the Garmin® heart rate monitor GPS accessory. It wirelessly relays data to your compatible Garmin® GPS device to let you store and compare your heart rate as a part of your integrated workout plan.
Features
Monitors your heart rate
Wirelessly relays data to your compatible Garmin® GPS device
Compatible with Garmin® Colorado® 300, 400c, 400i and 400t; Dakota 20; Edge® 305 and 705; Forerunner® 305, 310XT, 405, 405CX and 50; Foretrex® 401; FR60; Oregon® 300, 400c, 400i, 400t, 550 and 550t
This monitor does not work with most gym equipment, and definitely with any machine which says Polar on it. I've only found 1 stationary bike (LifeFitness?) that worked with it. Strap fits snug and the two contact patches make better contact than my Polar strap.