Perfect for all Field & Court Sports. Shows Time Remaining and Elapsed Time. Track two events or activities at the same time...up to 10,000 minutes! Use one timer to count down to zero, the other to count up from zero Select time in seconds (up to 99 min. & 59 sec.) or in minutes (up to 9999 minutes)Push-buttons are used Silently or with Audible Beep Confirmation.Automatically sounds beep tone completion alarm.Pre alert alarms at 30 seconds and 3, 2, 1 seconds remaining. Pre-alert beep tones Automatically resets to preset time at completionStop & restart for time-outs Lock function protects the current setting which is enteredBreak-Away Safety Lanyard helps prevent accidents, promotes safe useStop & Restart for Time-Outs.Versatile and Easy to Use Two Timers track separate activities Shows Time Remaining and Elapsed TimeOne year warranty LR44 battery