Extech’s STW515 digital stopwatch and clock comes equipped with a 12 or 24 hour clock format and programmable alarm with hourly chime. It also features three different Stopwatch Modes: Elapsed Timer, Split Time, and Two Competitor Timer. The backlight can be used for viewing at night or in dimly lit areas and turns off automatically after five seconds. The calendar shows day, month, and weekday.
|Operating Temperature||-5°C ~ 50°C (23°F ~ 122°F)|
|Operating Humidity||10% ~ 90%|
|Power||CR2032 x 1|
|Dimensions||66.5 (w) x 77 (h) x 19 (d) mm (2.6 x 3.0 x 0.7 in.)|
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