The MIGHTY MAC, part of Kenall’s MMEX series, is a surface mounted correctional exit sign that can be affixed to a wall or ceiling. Featuring a 14-gauge cold rolled steel or stainless steel housing, the one-piece, die-formed sign offers indirect red or green LED as well as a single and double face. The corners are continuously seam welded and smooth, with no post grinding. Lettering is six inches high with 0.75-inch stroke. The external panel is made of 0.188-inch-thick clear polycarbonate. Electrical components are mounted to the removable high impact injection molded polycarbonate chassis. Emergency battery packs are also available.