JetWave [Recommended by Umpires] 9-inch Waterproof Stopwatch with 0.01-Second Accuracy, Includes Strap, Compact and Portable for Sports, Cooking, and

High-Precision 1/100th-Second Timekeeping: This stopwatch features 1/100th-second timekeeping technology, ensuring you capture every moment with precision. Whether you're running, cycling, swimming, or any sport, it provides superior accuracy and ensures you never miss a second. [Note: If your watch is making periodic noises, it may be in alarm mode, which can be dismissed by pressing and holding both keys.] Durable and water-resistant design: The high-strength plastic exterior is impact-resistant and maintains its shape even during intense exercise. The waterproof rubber seal inside prevents sweat from seeping in, allowing you to use it safely in any environment. Compact and portable: The compact design and practical strap make it easy to carry around your neck, making it ideal for quick measurements during sports. [Count Timer Mode] 1. Press the MODE button to switch the sports watch to count timer mode. 2. If the display is not [0], press the START button to stop the measurement, then press the SET button to reset. 3. Press the START button again to start the measurement, and then press the same button to stop it. 4. Press the SET button to reset. [Double Count Timer Mode] 1. Press the START button to start the measurement. 2. Press the SET button to record the first measurement time (the normal time display will stop during the first measurement). 3. Press the SET button again to continue the measurement while adding to the first time (in double measurement mode, press the SET button twice). 4. Press the START button to stop the measurement, then press the SET button to reset. [Double Count Timer Display] 1. Press the START button to start the measurement, then press the SET button to display the first measurement time. 2. Press the START button again to stop the measurement, then press the SET button to display the seconds, and then press the SET button again to reset. [Time, Calendar, Day of the Week Display and Alarm Setting] 1. Press the MODE key to return to normal timekeeping mode, then press the START key to display the month, date, and day of the week. 2. Press the SET button to display the alarm time. Hold down the START button to turn the alarm (buzzer) on or off. [Time and Date Setting] 1. In normal timekeeping mode, press the MODE button three times. The seconds and day of the week will flash and you will enter setting mode. 2. Press the START button to adjust the value (hold down for quick adjustments), then press the SET button repeatedly to switch between [seconds → minutes → hours → month → day → day of the week]. - 12-hour format (AP): A = AM, P = PM. - 24-hour format (H) is also supported. After setting, press the MODE button to return to normal timekeeping mode. [Alarm Time Setting] 1. In normal timekeeping mode, press the MODE button twice. The time and date will flash and you will enter alarm setting mode. 2. Use the SET button to select [hours → minutes] and then use the START button to adjust the value. 3. Press the MODE button to return to normal timekeeping mode.