The ideal bench-mate for quality-control and experimental requirements. Accuracy is 0.01%. Program 3 different activities from 9 hours, 59 minutes, 59 seconds to 1 second. Each channel has a distinct electronic alarm and display indicator. Easy to read 1-1/4-inch-high LCD digits. Chemical-resistant ABS case. Supplied with Traceable® Certificate and two AA alkaline batteries for 2 years of normal usage.