This incredible clock is essential equipment in any environment where timing is necessary. In physical education where drills and routines are timed or in school classes where tests are given or where speeches are given or in hundreds of other applications and as a stand- alone high accuracy clock with hours minutes and seconds. Great for 5k,10k and all races. Every Physical Education Trainer/ Teacher/Lecturer needs this clock. All participants will be able to see time elapsing on the countdown clock or counting up on the stopwatch. It's a must in this environment and it can all be done remotely with the high powered remote control. Teachers in the classroom will be able to conduct tests and the remote gives full control to the teacher from anywhere in the class. Churches can use this clock to keep track of sermons etc, Lecturers can pace their lecture. Use it to price for any services charged on a time basis and there are countless uses for the clock in all manner of industries and enterprises. The timer is the heart of every training or academic exercise. There is just something about turning on a timer that motivates beyond belief. Racing against the clock adds an intensity that feels like head to head competition. The timer is our coach, our motivator, and the ruler by which we are measured. It is a must for accurately tracking progress. In STOPWATCH MODE the clock times with minutes-seconds-hundredth of seconds. In INTERVAL TIMER MODE the timer can program a desired work period followed by a rest period and the number of times you repeat the exercise. You can also store up to 8 programs for easy recall ""on the fly"". You can use an external battery to power the unit for over 16 hours on a charge where a power outlet is not available.