The dual tube lights are designed for high light output at low amp draw. They offer years of reliable, virtually maintenance free service. Energy efficient, they are complemented by non-yellowing diffuser lenses, white prepainted finish, and attractive woodgrain trim. Standard fixtures have aluminum housings. They include standard fluorescent tubes powered by Thin-Lites's highly efficient DC electronic ballasts. Model 180 has a three way rocker switch for choice of red light or white light. It uses 8 watts on 12 volt. The light produces 400 lumens. Dimensions 12.25" x 5.5" x 1". Bulb: 2 - F8T5/CW (included).