?Stopwatch function?-- 100 Lap memory and 0.001 second accuracy , multi-functional milliseconds stopwatch , three row display . Looking up records up and down read the Fastest/Slow time is available . ?Backlight Stopwatch?-- With LED back light, stopwatch could use even in night or other weak-light days . And a Plastic film on screen , protect led screen . Please remove the film before using . ?No Beeping Sounds?-- The stopwatch beeping sound could be turn off or on according to your needs . When you turn off the beeping sounds and hold down the button , there are not bells or whistles . ?Timer?-- Countdown timer up to 9 hours, 59 minutes, 59 seconds. Also with Pacer , 2 sets of Alarm clock , Football stopwatch functions . ?Power saving?-- Stopwatch could be shut down by manually to save battery . Battery could be replaced when the power is run out . User manual included Contents in new condition, box has a rip on the back.