high power COB led highbay 20W material: dia-casting aluminium lumen: 90-100lm/w led chip: COB Watt:20w COB led highbay 120W 1. Taiwan chips, ... distance0.5 meterInput Voltage DC12VAC100-240VOperating Temperature -20-40 °LED Lamp Life >50,000 hoursRelevant Certificate CE, RoHSWarranty 2 ... certificate of CCC.CE.ROHS.EMC for global market.High power LED,LED we use Taiwan or Epistar chips and VDE,CE ...