RemixIconEx.System.shield_flash

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

shield_flash(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.System.shield_flash()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M3.783 2.826L12 1l8.217 1.826a1 1 0 0 1 .783.976v9.987a6 6 0 0 1-2.672 4.992L12 23l-6.328-4.219A6 6 0 0 1 3 13.79V3.802a1 1 0 0 1 .783-.976zM5 4.604v9.185a4 4 0 0 0 1.781 3.328L12 20.597l5.219-3.48A4 4 0 0 0 19 13.79V4.604L12 3.05 5 4.604zM13 10h3l-5 7v-5H8l5-7v5z" />
</svg>

example usage

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