Samsung quantum led board QB288 V2 LM301B V3 LM301H 3000K 3500K UV IR led radiator Meanwell 120w 240w sterownik tanie tanio KsGrowl ROHS KS-QB288-LM301B H 17 4 Aluminium Żarówki led Rosną światła 1 years 28 6cm 286*174*1 6mm Original Samsung LM301B H 3000K 3500K + 660nm (UV+IR)