Available for immediate purchase. I bought this but ended up not using it, so I'm selling it. dretec Study Timer T-587 【Convenient Timer Function】It can measure in 1/100th of a second, which is useful for time trials in activities like hundred-cell calculations and games. Press the top button to start counting up, and you can measure time like a stopwatch. It's also very helpful for managing study time at home. 【Notification with Light and Alarm】When the set time is reached, it will notify you with an alarm and light so you can focus on studying. If you don't want to make a sound, such as in a library, study room, or when studying late at night, you can set it to "silent." It's also okay to use it in quiet places. 【Size】Approximately W60 x D80 x H23mm 【Maximum Set Time】 [Minutes] 199 minutes 59 seconds [Hours] 199 hours 59 minutes 59 seconds 【Calendar Setting Range】2018 to 2050