So, two timers, countdown and stopwatch possible three different mounting options:
1 fold-out foot, for standing
2. Fold eyelet for hanging up (eg on a nail on the wall)
3. Magnets (thus sticking the timer with me directly to the furnace)
There are three volume levels for the alarm:
1. (only optical signal)
2. very noisy
3. deafening
Such a continuously variable volume control would have been missing, but that is all.