Interval Adjustable timer (Reminder)

  1. Up, down, and start/stop. Adjust by day, hour, or minute - TR810D, TR810H or TR810M.
  2. Adjust by day, hour, and start/stop - TR810DH
  3. Adjust by hour, minute, and start/stop - TR810HM
  4. Adjust by minute, second, and start/stop, TR810MS
When the countdown reaches zero, an optional function is to start counting up from "0" instead of staying at "0". This can remind you how long it has been passed.
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TR810D, TR810H, TR810M

Stick-on Day, Hour, or Minute Timer
These three models have two adjustment buttons and a start/stop button. After the set coun ...

TR810MS, TR810HM, TR810DH

Stick-on Countdown Timer of Minute & Second, Hour & Minute, or Day & Hour
These three models have two adjustment buttons and a start/stop button. After the set coun ...