RemixIconEx.Device.cpu

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

cpu(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Device.cpu()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M6 18h12V6H6v12zm8 2h-4v2H8v-2H5a1 1 0 0 1-1-1v-3H2v-2h2v-4H2V8h2V5a1 1 0 0 1 1-1h3V2h2v2h4V2h2v2h3a1 1 0 0 1 1 1v3h2v2h-2v4h2v2h-2v3a1 1 0 0 1-1 1h-3v2h-2v-2zM8 8h8v8H8V8z" />
</svg>

example usage

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