Suunto - T3 Orange Webbing - Real-time Training Effect - Current heart rate, average heart rate and maximum heart rate - Real-time calories burned - Three-tier zone training system with alarms - Two adjustable heart rate limits with alarms - Speed and distance data with optional Suunto Foot POD, Bike POD, Road Bike POD, or GPS POD - Compatible with Suunto PC POD - Dual time, date and alarm - Log memory for 15 workouts - Training totals for current week, previous week, and the last six months - Stopwatch with 50 split laps - Interval timer - User-replaceable battery - HR Belt with disturbance-free ANT transmission technology - Water resistant to 30m/100 ft - Interchangeable straps