Ovente BHS7000 Unisex Heart Rate Monitor Digital Watch with Chest Strap Delivers accurate heart rate measurement for better training results Measuring range: 30 to 240 bpm; Percentage of maximum heart rate Multiple Sub-function displays that tracks your workout progress Comes with an adjustable chest strap for comfort and enables the accurate measurement of heart rate Water resistant up to 30m; Current Time Mode, Chronograph, Timer Displays