EZON T029 Men's Digital Sports Outdoor Watches with Pedometer Calorie Counter Waterproof Wristwatch This is a multi-functional sports watch which has time, calendar, alarm, stopwatch. Measuring steps, distance, speed and calories, viewing exercise data in real time and last 10 days exercise record. Please kindly note that this watch is in factory set when you get it, please press down four buttons together to open it. Round Digital Watch ---- featuring pedometer, 1/100 second digital stopwatch BMI index and calorie counter, also features with back-light module with alarm, hourly time signal, 50 years auto calendar and military time display. Fitness Digital Watch ---- 47 mm resin case with plastic dial window, quartz movement with digital display, sports stylish design, resin bezel and case with buckle closure. Fashionable sporty dial design. Large Dial and numbers with el back light, easy to check time in the dark. Water Resistant & Shock Resistant ---- 64 Ft / 50 M water resistance, Support to swim and bathe in cold water. Please DONOT press any buttons underwater, and in case of damaging waterproof ring, please keep it away from steam and hot water. Perfect for both outdoor and indoor sports, such as running, walking and climbing etc. 12/24 Hour Formats & Lithium Metal Battery CR2025 Model ---- 12 months battery life and easily replaced.