A green circuit board with black and yellow components, labeled "M-49-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-037-0