Lamp body made of galvanized sheet metal, reflectors made of aluminum surface-treated (glossy), frame made of powder-coated sheet metal, ballast box made of galvanized sheet metal with strain relief and two entries, simple through-wiring possible, dimensions installation 1x13W and 1x18W:, D 100 mm, installation- 175 mm, external- 195 mm, dimensions installation 2x18W 05400430 and 2x26W 05400431:, D 126 mm, installation- 205 mm, external- 230 mm, dimensions installation 2x18W 05400434 and 2x26W 05400435:, D 128 mm, installation- 240 mm, external- 267 mm