Eco-Friendly Illumination: Features an -saving display with a nightlight button that illuminates the screen for four seconds, enhancing visibility in low-light conditions while conserving battery life. Crystal-Clear Display: Boasts a high-definition, large screen with a triple-row digital display for precise, easily readable timekeeping, essential for accurately recording sports performances. User-Friendly Interface: Includes silent mode, power-off function, clock with memory, calendar, alarm, countdown timer, and metronome, catering to all training requirements. Advanced Memory Recall: Equipped with segmented memory storage, this stopwatch records multiple data sets and measures time to 1/100th of a second, allowing for review of fastest, slowest, and average times. Versatile Timing Tool: Perfect for professional training, fitness coaching, and refereeing, suitable for timing a wide range of sports activities like swimming and running. Material: ABS Product Size: 75mm x 62mm x 21mm (2.95 x 2.44 x 0.83 inches) Battery: Built-in CR2032 button battery Color: Black Package Contents: 1*Stopwatch(with CR2032 button battery) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.