LED-luminaires LED-KE LED-KE highly efficient, controllable luminaire with many possible uses. For research greenhouses and climatic chambers. LED-LE Watercoolable LED luminaire for multi-layer culture systems. Flexible usage. For climatic chambers in plant research. LED-VisuSpektrum Software for the spectral control of LED luminaires. LED-MID LED luminaire for multi-layer culture systems. For the vertical cultivation of herbs, lettuce and vegetables. LED-REG LED luminaire with sun-like light for in-vitro shelves. LED-INT LED interlight for usage in greenhouses for tall plants.