Ecofit / Ecofit Opticell Ecofit Opticell Go to the collection LUPA LUPA LUPA LUPA LUPA LUPA Technical data Light source LED Watts 21.3-29.3 Colour temperature 3000K 4000K TW 2700-6500K Effective lumens 3424-4596 Visual comfort 11.7-17.6 CRI 80-90