1.Stopwatch FunctionThis professional digital silent stopwatch features 2 sets of dual-split 100-lap memory and 1 or 1000-second accuracy, displaying fastest (FS) and split times. Can be used for basic workouts and sports competitions. Memory recall during surgery.2. [Countdown timer and stroke] Countdown timer or stroke or frequency segmented in memory mode, the maximum countdown is up to 9:59:59. Metronome frequency range: 10-320 times or minute. Automatic screen, smart power saving function, press any key to display again.3. [Timer function] Time or calendar or alarm clock or pedometer, two sets of alarm clocks can be set, and hourly time reporting function. Calendar display (12 or 24 hour format optional).4.Multi-purposeWaterproof, sporty, multi-sport track and field stopwatch. Lighter than metal, the buttons are more responsive. Track or Cross Country Timer.5. [Easy to read] Waterproof stopwatch with a large 3-line display, high-end anti-slip stripe design, perfect hand feel, anti-magnetic and shock-proof. Gift boxed makes the perfect gift for coaches, referees and athletes.feature:1 or 1000 second accuracy100X2 memory featuresCountdown functionclock with date calendarAlarm clock functionMetronome functionTimer or pedometer mute functionLarge three-line displayWindow size: 36 x 23 MM or 1.4 x 0.9 inchesPackage includes1 x stopwatch1 x user manual1 x black lanyardWe place CR2032 batteries during production. If the screen flickers or goes dark, replace the battery in time.Compared with metal materials, it is lighter in weight, more responsive in key response, higher in precision and more comfortable in hand. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store