Versatile timer incorporates all lab timing (alarm timing, down timing, stopwatch, time-out, and memory). Counts down with an alarm and may be set to count up and alarm. It also has a memory. Set it once, press recall, and start counting down from the memory time. In the stopwatch mode it counts up from 1 second to 99 hours, 59 minutes, 59 seconds. In the alarm mode it may be programmed to count down or up and alarm at any time from 1 second to 99 hours, 59 minutes, 59 seconds. Accuracy is 0.01%. The display shows the time remaining to alarm or elapsed time since alarming.