SUUNTO t6d Professional Wristop Training Computer (Black Flame) Get a comprehensive physiological analysis of your training - including real-time Training Effect and EPOC - on your PC through Suunto Training Manager software Includes Suunto Dual Comfort Belt, utilizing interference-free digital ANT transmission and coding compatible with most gym cardio equipment and all Suunto heart rate monitors Real-time Training Effect, an accurate measurement of how hard you have trained using data from your personal fitness profile combined with an analysis of your physiological progress in real time. Measure your speed, distance, and cadence with optional Suunto PODs User-replaceable batteries and straps; two year warranty