#2	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
#3	Time and date display 12h and 24h settings are optional And read the time calendar minutes seconds and 1100th seconds
#4	Smart power saving Automatically shut down if no operation within 10 minutes Battery could be replaced when the power is run out
#5	Timer Countdown timer up to 9 hours 59 minutes 59 seconds Also with Pacer Alarm clock function