The mark consists of a red circular dot with a yellow highlight, circumscribed by an annular ring in gray which is circumscribed by an annular ring of lighter gray, further circumscribed by a darker gray circle, further circumscribed by a darker gray annular ring, circumscribed by a black circle, further circumscribed by an annular ring of the previous darker gray, further circumscribed by an annular ring of light gray concentric with the semi-circular left end of a dark gray rectangle with a semi-circular right end. A transparent darker gray circle of the same diameter as black circle above is offset to the lower right side of the black circle above covering the red circular dot and stopping at the internal edge of the black circle. A second gray transparent layer has the upper shape of the bottom half of the perimeter of rectangle with semi-circular ends to a height of just above the red circular dot. Centered in the space between the light gray annular ring on the left side and the semi-circular right end of the rectangle are the words "PROTECH IR" in yellow.