Extech STW515 Stopwatch/Clock with Backlit Display

Extech’s STW515 is a digital stopwatch and clock. This stopwatch features a 12 or 24 hour clock format and programmable alarm with hourly chime. It also has three 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. Calendar displays day, month, and weekday.

Stopwatch modes: elapsed timer, split time, and two competitor timer; clock mode: 12 or 24 hour clock format and programmable alarm, hourly chime setting, and 5min alarm snooze option
Timing capacity: 23 hrs, 59 minutes, and 59. 99 secs; basic accuracy: 3 seconds/day
1/100th second resolution for 30 minutes; 1 second resolution up to 24 hours
Calendar displays day, month and weekday
Water resistant housing and backlit display with auto off after 5 seconds