SignumLighting control with capacitive switch Signum, which allowes controlling lights with touch. Can be placed behind the wall panel, which enables you to adjust the sauna lighting by touching the marked position on the wall panel. The quick touch turnes the lights on off, and the slow touch dims brightens the lights. Works with power supply 1532296 OTi DALI 15 W 150mA or control unit 1532346 LL1 CV SC.