PUMA ' Cardiac Plus' Quartz Plastic and Polyurethane Sport Watch, Color:Black (Model: PU910391001) Flexible black polyurethane strap, black cover, red LED, heart rate monitor with wireless ECG sensor belt included and preset hour zone or manual set hi and lo hour zone Choronograph, count-down timer Dual alarm; Equipped to display heart rate as BPM, heart rate as percentage of maximum heart rate, hour max (age based) calories burned during workout, minimum hour of total exercise, maximum hour of total exercise and average hour of total exercise LED hour zone indicator, EL backlight Water resistant to 165 feet (50 M): suitable for swimming and showering