VWR Traceable Clip-It One Channel Digital Timer
Product Details:

Color	White, Blue
Brand	VWR
Accuracy	0.005 %
WxDxH	50x19x38 mm

Features:
Countdown mode from 100 hours to 1 second (in 1 second increments)
Stopwatch mode: Times from 1 second to 99 hours and then repeats
At zero, an alarm sounds for 60 seconds or may be silenced manually
Helpful memory saves last programmed setting for quick recall: Useful for repetitive timing events
Five-key operation is quick and intuitive
Can be clipped to a lab coat, belt, notebook or clipboard