365510-NIST / Extech Digital LCD Stopwatch/Clock plus Calendar & Alarm with NIST Calibration
365510-NIST / Extech Digital LCD Stopwatch/Clock plus Calendar & Alarm with NIST Calibration The Extech 365510-NIST is a digital stopwatch and clock. This sporty, yellow stopwatch has a water-resistant housing, accumulated elapsed time and split time measurements and two competitors monitoring.