Pyle Sports PHRTMW1 Digital Sports Watch with Heart Rate Monitor Current heart rate Preset maximum heart rate per age input Target zone audible alarm Hazard warning alarm for maximum heart rate Programmable high/low target zone Current heart rate% of maximum heart rate - alarm sound on/off selectable, high zone alarm selectable, el backlight Preset maximum heart rate per age input - auto exercise timer - target zone re-checkable Target zone audible alarm - auto timer reset - calories counter (99999 kcal) Hazard warning alarm for maximum heart rate - manual timer reset - clock (12 / 24 hour format selectable) 3 different audible alarm (high/low/mhr) - programmable high/low target zone - key tone