About this project1.Stopwatch FunctionThis professional digital silent stopwatch with backlight has 2 sets of double minute 100 lap memory and 1/1000 second precision, showing fastest (FS) and split time. Can be used for basic workouts and sports games. Recall during memory manipulation.2. [Countdown Timer & Stroke] Countdown timer/stroke/frequency; split in recall mode, the maximum countdown is up to 9:59:59. Metronome frequency range: 10 to 320 times/min. Automatic screen, intelligent power saving function, press any key to redisplay.3. [Timer function] Time/calendar/alarm clock/pacemaker, two sets of alarm clocks can be set, and hourly timekeeping function. Calendar display (selectable 12/24 hour format).4.Multi-purposeWaterproof; sporty, multi-sport track and field stopwatch. It's lighter than metal and the buttons are more responsive. Athletics/cross country timer.5.Easy to ReadWaterproof stopwatch with backlight, suitable for night use, large 3-line display, high-end anti-slip stripe design, perfect hand feeling, anti-magnetic and shock-proof. Packed in a gift box, it is the perfect gift for coaches, referees and athletes.