"Accuracy at Normat Temperature: +/-15 Seconds/Month Timekeeping: Hours, Minutes, Seconds, am/pm, Month, Day, Date, 12/24 Hour Formats, Pre-Programmed Calendar to the Year 2039 Countdown Timer: Measuring Unit: 1 Second Countdown Range: 60 Minutes Elapsed Time Measurement: Up to 99 Hours, 59 Minutes, 59 Seconds Setting Times: Countdown Start Time : 1-60 Minutes in 1 Minute Increments; Reset Times: 1-5 Mintues in 1 Minute Increments Timer Modes: Auto-Repeat Timing, Elapsed Time Progress Beeper Alarms: 4 One-Time Alarms, 1 Snooze Alarm, Hourly Time Signal Stopwatch: Measuring Unit: 1/100 Second Measuring Capacity: 99:59'59.99"" Measuring Modes: Elapsed Time, Split Time, Two Finishes Dual Time: Hours, Minutes, Seconds, am/pm Backlight: Electro Luminescent Backlight Auto-Light Switch: Operates only in the dark Battery Power Indicator Power Saving Function Operation at Low Temperature Resistance (-10 Degrees Celcius/14 Degrees Farenheit) Water Resistant to 200 Meters 46mm Case Width (Approximately 1 13/16"") 14mm Case Thickness (Approximately 9/16"")"