MultiOne Interface. We have been focusing on this market already for over three decades and have a solid track record of Technology leadership, combined with excellent application knowledge and market understanding. Prime activities include designing, developing, manufacturing and selling light sources, drivers, LED light engines and controls to luminaries manufacturers for incorporation in new luminaries. There is a wide, varied product portfolio available, ranging from fluorescent, HID, Halogen lamps and drivers to LED downlight, spotlight, linear and outdoor light engines.