Is a slider/rotary switch the best simplistic UI?

[Lightbringer]

@lars

Just slide forward to switch on and go brighter, and slider back to go dimer and switch off.

Either a slider or rotary switch with a detent at off position would do the job nicely. I wonder why the big brands don’t make such models

Ultrafire DV-S9 diving light?

Just got one, beautiful little light, wondering if anyone has one and “dived” (haha) into it yet. Takes a 26650, or 18650 with the included tube, has a switchless tailcap that covers 3 O-rings. Everything else seems to be put in through the front lens side, ’though I haven’t opened that up yet. Tempted not to (and risk ruining any seals). There’s a magnetic switch, a little captive slider with magnet, no opening, slot, nothing. Inside looks like a Hall-effect sensor that reads relatively-speak…