The mark consists of Grey hexagon border with white fill, inside upper left is a black E itallicized in Swiss 721 Black BT font, lower right is a 3 itallicized in Swiss 721 Yellow BT font, three Yellow circuit design elements.consisting of a line and a empty circle at the edge stem from the left side, and the whole image has a shadow effect style.
The color(s) black, grey, yellow. white is/are claimed as a feature of the mark.