Waterproof Chronometer Sports Stopwatch Timer Digital LCD Handheld Stop Watch Chronograph With String Timer Timepiece For Sports Item Name: Multi-Function Digital Sports Timer Material: Plastic Color: Black/Yellow Powered by: AG13 Button Battery (Included) Size (L x W x H): 9.0 x 6.45 x 2.0 cm Weight: 50 g Quantity: 1 pc Operation: 1. Stopwatch Timing: In the normal running state, press the M key to start stopwatch timing. If timing is in progress, press the D key to stop, and press the S key to reset to zero. 2. Time, Calendar, and Alarm Display: In normal time mode, press the D key to cycle through month, day, and weekday. Press the S key to view the alarm time. 3. Time and Calendar Setting: Press the M key three times in normal time mode to enter time-setting mode. Seconds and time flash simultaneously. Press the S key to select minutes, hours, day, month, weekday, or seconds for adjustment. After adjustment, press the M key to exit setting mode. Features: 1. Material: Made of durable plastic, designed for sports and outdoor use. Water resistant for everyday conditions. 2. Display: Digital LCD shows hour, minute, second, AM/PM indicator, month, date, and weekday. 3. Time Format: Supports both 12-hour and 24-hour time display. 4. Alarm Function: Includes alarm setting and hourly chime. 5. Timing Accuracy: 6-digit display with 0.01-second resolution. Package Includes: 1 x Multi-Function Digital Sports Timer Note: Slight measurement variations may occur due to manual measurement. Color appearance may vary slightly depending on screen settings.