Rating 3/5 Unlike what is advertised on this...of September 8, 2008), this timer...59 Minutes. The Amazon person..._minutes_ (which this timer has a...a switch), and thought it was...Therefore, do not be fooled by... I gave the unit three...back due to the issue Above)...someone who doesn't need a clock...maximum of 19 hours, 59 minutes...isn't as loud as the one...timers, but the flashing light is...

Rating 4/5 I am a special education teacher...with my students who have multiple...keep students on task when I... They must work until the...a great item because my visually...and hear the alarm, hearing impaired...vibration, and those who have both...vibration, so all three types of... My only recommendation is...a larger model! ...

Rating 5/5 I use this stopwatch when I...and it helps me keep everything...I also use it in the...a project, and they know how...is up. It is wonderful, and...that it can vibrate, light up...