Maximizes results by providing Real-Time information on the training effect of your workout. More than a heart rate monitor, the Suunto T3 helps you maximize results by providing real-time information on the training effect of your workout. Transending the conventional heart rate monitor, the Suunto T3 logs your workouts, tracks your physiological progress, and displays training effect - the cardiovascular benefit of your workout on a simple, one-to-five scale. Are you over or under training? Sweating hard enough to reach your goals? The Suunto T3 knows and tells all... Provides real-time training effect for every workout, on a simple one-to-five scale based off of heart rate variation. Shows heart rate, real-time average heart rate, and accurate calories burned in real time. Interference-free heart rate transmitter eliminates cross talk and electrical interference. Optional speed and distance with PODs. Optional PC-POD compatible to download workout summary from wristop to PC. Training Functions: Accurate Calories Training Effect in Real Time Speed & Distance Function with Optional PODs (Not Included) ANT-Digital Coded Heart Rate / Speed Signal Average Heart Rate in Real Time Heart Rate in Limit Alarm 3 Adjustable Heart Rate Zones Timers (Interval, Warm-Up, and Countdown) Memory: 15 Log Capacity Start Time and Duration of Workout Total Calories Average and Peak Heart Rate Up to 50 Laps in Log, with Average Heart Rate of Lap Time Spent Below, Above, and Inside Each Zone Training Effect Speed and Distance with Optional PODs (Not Included) 6 Month Workout Summary General Features and Extras: Time, Date, Day, & Dual Time 1 Daily Alarm User Replaceable Battery on both Watch and Heart Rate Belt Backlight PC Software Optional (Not Included) Change your style - Replaceable Accessory Straps (Not Included) Compatible with Suunto Team Systems 42mm Case Width (about 1 3/4") 14mm Case Thickness (about 1/2") Sleek Design, and Smooth, Comfortable Strap make this wristop computer a valuable training or work-out accessory for both men and women. See Also: T3 Cycling Pack T3 Running Pack T3 MultiSport Pack