Q&Q Stopwatch (waterproof to 5 ATM) HS47-001 1 piece

Calendar function Stopwatch function Timer function (countdown) Clock Features Split Function Water resistant to 5 ATM Stopwatch with neck strap Measurement unit: 1/100 seconds Measurement time: Maximum 9 hours 59 minutes 59 seconds Clock function: 12/24 hour mode switching (hours, minutes, seconds, alarm time) Calendar function: year, month, date, day of the week Timer function: Countdown (up to 23 hours 59 minutes 59 seconds) Power supply: 1 x CR2032 button battery (included for testing)