* Two automatic training programs per age input: Fat burning program Build cardiovascular strength program * Freely programmable target zone & exercise time * Three different audible alarms * Two different visual alarms * Current heart rate intensity % * Efficiency percentage of preset exercise time * Preset exercise time countdown * Current heart rate display 35~250 beats per minute * Maximum heart rate recorded 35~250 beats per minute * Average heart rate in 6 optional periods <10~60 minutes > * Total time over High Limit of taret zone * Total time over Low Limit of taret zone * Stopwatch 9:59:59 * Unique transmission LED indicator * 12/24 hour clock * Target Zone indicator * Target Zone re-settable and re-checkable * Current cardiovascular strength level * Time bar in seconds. ** Ex-factory 30 meters water resistant ** Ex-factory 10 meters water resistant ** Weak battery detection ** 3V batteries changeable ** Auto power saving