LUCTRA® was subjected to a special user test by experts and top executives from various companies and branches of industry, reaching an overall score of 1.9. The GGT (German Society of Gerontechnology®) seal of approval gives all consumers the assurance of having acquired a top-quality product of high utility value. GGT seals of approval confirm that products are particularly suitable for use in terms of functionality, user-friendliness, maintenance and care. The LUCTRA® workplace lamps received positive assessments from the test persons, in particular for their variability in light colour and brightness, but also for the flexibility of their self-locking joints and intuitive control of the VITACORE® user interface.