It looks like these cheaper buttons from AliExpress (about $5 each) are for Otis and other brands of lifts (elevators). They have a nice solid feel to them, and a fairly even peripheral illumination.
These could be nice in some industrial interfaces.
Big Clive
2024-05-07 22:02:08 +0000 UTCN H
2024-05-07 04:05:08 +0000 UTCGordo
2024-05-06 16:52:47 +0000 UTCBig Clive
2024-05-04 17:45:43 +0000 UTCZeedijk Mike
2024-05-04 13:45:13 +0000 UTCWim
2024-05-04 07:11:23 +0000 UTCCurtis Hoffmann
2024-05-04 04:03:50 +0000 UTC