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, 110lm/w for ... Certificate CE, RoHSWarranty 2 years Beam Angle 15 degrees Power Efficiency:80%Color Temperature Warm white 2,600-3,700K ... the certificate of CCC.CE.ROHS.EMC for global market.High power LED,LED we use Taiwan or Epistar chips and VDE,CE,EMC ...