The SYSTEMLED EVO memory stick saves the last brightness setting that was set with the SYSTEMLED EVO control unit 240700-01 when the control unit is removed. This may be necessary to fulfil customer requirements. The control unit 240700-01 is required to set the brightness on the light. https://elecena.pl/product/29338280/240700-02-systemled-evo-memory-stick 2025-09-08 https://elecena.pl/product/29338280/240700-02-systemled-evo-memory-stick 2025-11-28