Cole-parmer triple-display clock/timer can be used as a digital clock, timer, or stopwatch. Timer displays time of day, or time remaining in any of the three timer channels. Each channel can be used either simultaneously or independently. Memory recalls previous time set. Display allows simultaneous up and down timing on different channels with unlimited Time-outs. Alarm tones are unique for each channel and have adjustable volume. Flashing LCD indicates alarm condition. What’s included: one AAA battery and nist-traceable calibration report supplied by the manufacturer.