Lightolier MJ3 is a 6-volt emergency lighting unit designed for suspended ceiling installations. It features rugged steel construction and high output halogen lighting heads. The unit has a heavy-duty steel cabinet finished in white baked-on powder paint providing scratch and corrosion resistance. Lighting heads are all metal and come in a neutral cream color to match the unit housing. They are fully adjustable and feature lockable swivels. The Lightolier MJ3 has a 120/277 VAC dual voltage input with surge-protected, solid-state circuitry.