Traceable Big-Digit Stopwatch with Calibration

JUMBO 1/2 inch H digits and high accuracy make this the perfect stopwatch for the lab or the field. Display time-of-day, date, and day of week. Also includes time of day alarm. ABS plastic case is water-, dust-, and shock-resistant. Mount to various surfaces with the included clip and Velcro. what's included: 42 inch L neck cord, one 1.5V button cell battery, and an nist-traceable calibration report supplied by the manufacturer.