1. Portable running stopwatch, sports counter, referee's timing stopwatch digital timer, displays 10 running tracks. 2. Product description: - Color: Black - Material: ABS - Dimensions: 7.5 x 6.2 x 2.1 cm - Weight: 0.065 kg - Accuracy: 1/100 second - Battery: CR2032 button battery 3. Stopwatch functions: - Displays 10 running routes, split memory - Countdown function: Can set a countdown and has a counting function - Alarm function: Can quickly turn on and off the daily alarm - Pulse frequency: Optional from 5 times per minute to 320 times per minute (multiples of 5) 4. Package includes: - 1 * Digital stopwatch 5. Product details: - Lap and interval timing function - Allows you to record lap numbers and split times and save 10 event reminders. It can measure up to 10 hours with an accuracy of 1/100 second. - Memory recall function - Can store up to 10 measurement results and recall the fastest lap time, slowest lap time, and average lap time. In addition, all split/lap times can be viewed in sequence. - Three - line large digital display - Displays lap speed, split time, and total cycling time in three lines on the same screen. Suitable for sports coaches to easily display time and record dates. - Multifunctional stopwatch - This stopwatch has a countdown timer, calendar clock, and alarm function, allowing you to better manage time in sports and daily life. - Countdown timer - This stopwatch has a countdown function and can be used as a countdown timer. Press the "MODE" button to switch to the countdown mode. "TR" will be displayed on the display. An alarm will sound when the countdown time ends.