LEAP PC660 All-In-One Stopwatch Works as clock, stopwatch, counterdown timer, pacer and alarm. 100 lap and split recallable memory, lists fatest, slowest and average lap time. Configurable countdown timer with auto repeat function. 1/100 second resolution, stopwatch measures to 10 hours. Large three row display with EL backlight, includes lanyard, Alarm can be switched off.