5 ms·

And not barrier-free I would imagine.

• dsr_ 10y ago
  Blind people can gently touch the wall, find the buttons, and figure out which one is up, because it's over the down button. Try that with a touch screen.
  • fnord123 10y ago
    Right, but if they add or remove floors, they don't need to change the touch screen. Eat that, normal buttons! /s
  • scaryclam 10y ago
    Heck, a lot of physical buttons also have braille on them