This series is a new type of super slim high-efficiency linear track light. Its super slim design without driver box exposed rea lize the perfect combination between track rail and luminaire. It is highly flexible to the lighting tasks in the industrial and retail sectors. Type A applies a high-transmission PC optical lens, 30°/60°/90°/30*90°/double asymmetric 20° to have variou s lighting distribution. Type B adopts opal cover for uniform illumination. The whole series adopt 4 wires 3 phases universal track adapter, support 6 wires 3 phases DALI version as well, all of which support DIP switch power adjustment. It also can be flexibly combined with track spotlights on the same track rail for general lighting & accent lighting. Applicable for retrofit and new mounting with EU standard track system.