• Two channel countdown timer • Each channel can be preset for up to 100 hours • Measurable up to 100 hours in 1/100 of a second • Split/lap time measurement • Store and recall of up to 100 split/lap times • Memory recall and countdown timer can be used during stopwatch operation • Two separate displays for split and lap time measurements • On/off confirmation sound • Dot-matrix mode display • Time and full automatic calendar • Battery life indicator • Water resistant