VWR Timing range is 99 hours, 59 minutes, 59 seconds. Resolution is 1 second. Accuracy is 0.01% Two channel Visual LED Alert flip-open easel, clip, and an opening for a lanyard
Countdown alarm, stopwatch and time-of-day clock. Dual display with 2.5cm high digits times up or down to 24 hours. Simultaneously maintains 2 separate countdown timing channels with distinct alarms. Memory recall. NIST traceable. Includes battery.