BEATECH BH5000 HEART RATE MONITOR WATCH EL backlight display with audio/visual alarms, Chronograph, timers and stopwatch plus graphical heart rate (max/%) display with arrows showing if you are in/out of zone Provides convenient monitoring and tracking during all forms of exercise. Regardless of lifestyle, its a perfect companion for your workout schedule and helps track heart rate and workout duration Water resistant watch (up to 30m) with batteries included Hourly Chime Function: Select to turn on/off this function, comes with a built-in calendar that keeps you on track It displays dynamic pulse rate that is suitable for athletic and fit people