EXTECH STW515 Stopwatch/Clock with Backlit Display

Stopwatch Modes: Elapsed Timer, Split Time, and Two Competitor Timer

1/100th second resolution for 30 minutes

1 second resolution up to 24 hours

Clock Mode: 12 or 24 hour clock format

Programmable alarm and hourly chime setting

5-minute alarm snooze option

Calendar displays day, month and weekday

Backlight turns off after 5 seconds

Water resistant housing

Timing Capacity: 23 hrs, 59 mins, and 59.99 secs

Basic Accuracy: ±3 seconds/day

Dimensions: 2.6 x 3 x 0.8" (68 x 77 x 19 mm)

Weight: 2 oz (56 g)

Datasheet