Ultrak 100 Lap Memory Timer, Yellow..

Ultrak 496 500-Lap Stopwatch, Dual-Split Memory Sports Timer with LCD Display, Water-Resistant, Stroke Rate & Countdown, Long-Life Battery..

Easy to Use Event Timer! Ideal for students and volunteers. Measures to 10 hours with 1/100 second resolution, silent operation for classroom and testing purposes. Water resistant, five-year lithium battery and five-year warranty...