Features: Heart Rate Measurement: Analog or Digital Coded Chest Belt. Patent Pending Speed and Distance Mode: Targetdistance and target time. Odometer. Upper and lower speed alert. Pace calculation. Acceleration sensor calibration. Stopwatch: Lap function. Visual and audio heart rate alerts. Vibrator heart rate alert. User profile: Gender, Age, Height, Weight, Exercise Habit,and Fitness Index. Exercise profile. Calories burned: Percent or Fat Burning. Smart training program: Warmup, Exercise, and RecoveryTimer. Clock/date/day. Alarm. EL Backlight. Key lock. Silent mode. Buzzer (beep tone). Low battery detection.