NEW-LIFESTYLES NL-2000 Activity Monitor: "The NL-2000 is not your ordinary pedometer. More accurately called an accelerometer (some refer to it as a piezoelectric pedometer), the NL-2000 provides users with an accurate estimate of the calories they burn throughout the day or week. You input your age, gender, height and weight, and the monitor determines your basal metabolic rate (BMR)."