The New Balance Life Trainer Calorie Monitor uses an advanced 24 hour calorie burn formula based on metabolic rate, exercise and heart rate, to provide you with your total estimated calorie burn. To help keep track of your daily results, the Life Trainer has a 7 day graphic memory which allows you to review your calorie burn, steps and total distance per day. Features include: Calorie Monitor: Advanced 24-Hour Calorie Burn Formula : Based on Metabolic Rate, Exercise and Heart Rate Readings; Automatically Resets at Midnight; and No Set-Up Required. Pedometer / Exercise Data: Step Counter with Goal Meter; Total Distance with Goal Meter; Estimated Calories Burned with Goal Meter; Exercise Mode with Data Recall: Total Exercise Time, Estimated Calories Burned, Distance Traveled and Steps Taken During Workout; and 3 Sensitivity Levels for Accurate Step Readings. Heart Rate Touch (HRT): On Demand Heart Rate (HR) Reading – ECG Accurate HRT; HR Touch Button; No Chest Strap Needed; and Displays % Max BPM. Time / Alarm: 12-Hour or 24-Hour Format; Time / Day / Date. Other: Displays in Metric or Imperial Units.