flos kelvin led copper table lamp with adjustable head. designers: antonio citterio and toan nguyen, the kelvin led copper table desk/lamp provides an ample spread of direct light in a thoughtfully engineered, energy efficient design. this modern task light is available in a limited edition copper finish and features a double pantograph arm, a swiveling head, a cast aluminum alloy body, and an injection-molded metalacrylate diffuser. limited edition copper finish from flos. kelvin led green mode i adjustable table lamp providing direct lighting, with double pantograph arm and adjustable head. fused aluminum alloy body. die-cast aluminum outer head, with injection-molded methacrylate diffuser. base external cover in abs. extruded aluminum alloy square tube structure, machined mechanically, so that it houses a stainless steel load-compensation spring and injection-molded acetal resin sliding blocks. 3 mm diameter wire outer tie rods.the on/off switch is electronic with optical mechanism located in the head.