Accurate time: the stopwatch is accurate and improves time accuracy and efficiency, so it is very practical. It can be accurate to 0.001 seconds. Large screen: It is equipped with a large screen and a large font display as well as a luminous display, and stopwatches for sports make it easier to read the value. Multi-purpose: the waterproof stopwatch is perfect for sports games, coaches, referees, training and more. It is fully functional; set stopwatch, clock calendar, countdown, alarm clock, metronome and other functions in one, Superior quality: stopwatch timer is made of high-quality stainless steel. It is strong, durable and resistant to rain, sweat and splashes. (cannot be used in water) Easy to carry: the small, lightweight and foldable stopwatch timer is compact and easy to carry. And you can easily put it in your bag and take it with you for outdoor use.