Sportline Cardio 630 Women's Grey Monitor Watch With ECG Accurate Heart Rate (HR) watch with Chest Strap HR Monitor Women's ECG accurate heart rate (HR) watch with chest strap HR monitor Continous HR zone tracking with out of HR zone alarm; calorie counter; chronograph Additional features include: calorie-burn tracker, chronograph, and digital display with back light Watch features include: dual-time, 12/24 hour setting, optional hourly chime, and calendar Water resistant; five-year warranty