recommendations for acheiving optimal physical condition. Whether you accept or decline, the T4 continues to adapt, maintaining an up-to-date plan for attaining you fitness goals. Recommended for endurance sports with competitive edeavor: Running, Cycling, Nordic Skiing, Triathalons and more. Provides real-time advice for achieving optimal Training Effect per workout. The Suunto Coach suggests training plans for up to five days for frequency, duration, and training effect. Adaptive recommendations for next workouts based on your actual training. Heart rate, real-time average heart rate, Training Effect, and accurate calories burned in rea-time. Interference-free heart rate transmitter eliminates POD compatible to download workout summary from wristop to PC. Training Functions Accurate Calories Training Effect in Real-Time Suunto Coach-Personal Training Program Speed and Distance function with Optional PC PODs (Not Included) ANT - Digital Coded Heart Rate / Speed Signal Average Heart Rate in Real-Time Heart Rate Limit Alarm 3 Adjustable Heart Rate Zones Stopwatch Timers (Interval, Warm-Up, and Countdown) Memory 15 Log Memory Capacity Start Time and Duration of Workout Total Calories Average and Peak Heart Rate 50 Laps in each 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 Watch 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 14mm Case Thickness  (less)