... Tech Data ModelARK/UB/10KLED TypeSamsung 5630 smd LEDLED Power10W LED Color3000K-5000KInput VoltageAC100-277VFrequency Range50Hz – 60HzPower Factor>95%Power ... optical design.Application of 180lm/w 10w glass led tube UL DLC listed led tube School/universities/hospitalConference/meeting room, ... what is procedure for getting new lamps? 1,we offer 5 years warranty for led tube ARK/UB/12K 2, ...