Do not start exercising without your new sports watch. Why? Because it counts calories, among many function. The classic time, alarm and stopwatch functions in addition to pulse level and calories count. It stocks your personal data as well for a more accurate estimate. Enter your birth date, sex, weight. Resume action and the watch will provide you useful information each time you hit the gym. Touche softly the sensor in order to get your pulse reading.Make sure you have it on your wrist when you go jogging or when you go to the fitness room. Enjoy!LCD Sports WatchTime Display: 12H or 24H (Hour/Min/Sec), Date (Month/Day)Dimensions: Watch face: 25 x 18 mm, Strap length: 215mm