Record timing notes of 12 seconds in length simply by speaking directly into the stopwatch. Your notes are preserved on a microchip that adds virtually no size or weight to the unit. The stopwatch counts upto 24 hours with a lap function. Resolution of 1/100 second for the first 30 minutes. Also has alarm clock and calendar functions. Powered by 4 button cell batteries which are included. Weight 1.6 oz (45 g). Dim: 3" x 2 1/2" x 7/8" (75 x 55 x 20 mm)
Also available with NIST traceable certificate of compliance.
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We only sell & ship chemicals to businesses at commercially zoned locations verified by 3rd party sources. A business at a residence will not be able to buy or receive chemicals at that location. Such businesses will not be able to divert shipment in order to meet our policies. No exceptions.