Polar FT7 watch and Heart Rate Sensor. Needs new batteries in both. Works fine. Product Description Polar FT7 heart rate monitor watch offers all the features of the FT4 plus Energy Pointer. Energy Pointer visually indicates when you are in your fat-burning range or aerobic fitness range. A weekly training summary provides feedback for your workouts and keeps up to 99 files in memory. Coded to avoid frequency interruptions. Provides automatic target zone to help maintain the intensity, but can be changed by the user. Audible alarm alerts the user when out of their zone. Counts and displays caloric expenditure. Tracks totals for session, training hours, and in-zone training. Button-free Heart Touch function. Since 1986, Power Systems' passion for fitness has been fueled by our customers. Power Systems is committed to ensuring people have the tools to lead active lives with professional-grade products, cutting-edge educational materials, and elite customer service. “Power Your Potential" is the philosophy that guides everything Power Systems stands for.