Marathon ADANAC 3000 Digital Stopwatch Timer is a commercial grade stop watch. Sturdy and durable design with a simple display of the numbers and soft grip buttons Digital stopwatch displays minutes, seconds and 1/100th seconds Times single and split events Water, dust, and shock resistant Time and calendar feature with alarm Displays the hour, minute, seconds, month, date and day Stopwatch features includes time-out mode timing and has separate start/stop and reset buttons Includes split-mode timing to freeze the split-time display while total timing continues Stopwatch display features 1/100 sec resolution for first 30 minutes, 1 sec resolution thereafter until 24 hours Includes 46" lanyard (neckband) allowing you to grab and release the stopwatch easily without having the hassle or awkwardness of grabbing your phone Lightweight and easy to carry Great for teachers, coaches, athletes, referees, adults, kids to use in classrooms and at various sporting events and to track and measure the amount of time that elapses.