Timex Personal Trainer Heart Rate Monitor Advanced athletic training device lets you track intensity of training, continually meet fitness goals, and ultimately lose weight Included proprietary Timex Personal Trainer heart rate monitor provides fitness management data in an intuitive, user-friendly watch Analog heart rate sensor can communicate with fitness equipment, meaning you can view BPM on treadmill, stationary bike, or similar Target heart rate zones, time in zone, percentage of max heart display, calories burned, recovery heart rate timer, and automatic activity timer Includes limited one-year manufacturer's warranty