Shows time remaining for any event or activity Counts down from 1 second or 10,000 minutes.Set the time and it counts down to completion.Counts down in seconds (up to 99 min. & 59 sec.) or in minutes (up to 9999 minutes).Automatically sounds beep tone completion alarmPre-alert beep tones at 30 seconds and 3, 2, 1 seconds remainingLock Function protects the current setting which is entered.Break-away Safety Lanyard helps prevent accidents, promotes safe use.Stop & Restart for Time-Outs. Automatically resets to Preset Time at Completion.Economical and Easy to Use Available in today's most popular colors One year warranty LR44 battery