Sper Scientific 810029R 8 Memory Stopwatch
Digital Count Up / Countdown Timer and Stopwatch
Counts up or down for 100 hours in intervals of 1 second. In count down mode unique feature tells you how much time has elapsed after the alarm sounds. Memory allows repeat of just completed cycle. Alarm clock mode. Has a built-in stand, pocket clip, and magnet. A button cell battery is included. N.I.S.T. traceable certificate of compliance available.
Dimensions: 2¾" x 2¼" x ¾"
Weight: 2.7 oz