The ultimate user-friendly timer fulfills most of the labs timing needs. It displays three different times simultaneously, counts down, and alarms. It's also a stopwatch and a time-of-day clock. Channels may be started individually or simultaneously. Program each channel from 1 second to 100 hours. When zero is reached, the alarm sounds. A "Time's up" message is displayed, and the timer begins counting up. The alarm, which features an adjustable alarm volume, sounds for one minute. Can also be set to sound continuously so an alarm is never missed. Unit permits simultaneous up-and-down timing on different channels and an unlimited number of time-outs. Memory recall returns display to previously programmed time. Quartz-crystal design features a large 3/8" high LCD digits with an accuracy of 0.001%. Supplied with a 2-year AAA battery.