... .Voltage : AC200-240V , AC100-270V7.LM-80 approved , 90-100LM/Watt , 80LM/W whole lamp8.2700K ,3000K , 4000K , 5000K9.Warranty : 5 ... . If you calculate the life span of 50000 hours for an LED Downlight the initial cost of LED Downlight is soon recouped. 2.Are ... LED Grille Downlights expensive to run? In these times of energy bills getting higher LED Grille ...