RemixIconEx.System.timer

You're seeing just the function timer, go back to RemixIconEx.System module for more information.
Link to this function

timer(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.System.timer()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M17.618 5.968l1.453-1.453 1.414 1.414-1.453 1.453a9 9 0 1 1-1.414-1.414zM12 20a7 7 0 1 0 0-14 7 7 0 0 0 0 14zM11 8h2v6h-2V8zM8 1h8v2H8V1z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}