LED downlight: Materials: aluninium with lens Led chip from Taiwan Lumen:80-100lm/w Watt:3*1W led downlight1.Taiwan chips, 80lm/w. 2. CE ... lighting distance0.5 meterInput Voltage AC100-240VOperating Temperature -20-90 °LED Lamp Life >50,000 hoursRelevant Certificate CE, RoHS, ... CCC.CE.ROHS.EMC for global market.High power LED,LED we use Taiwan or Epistar chips and VDE,CE,EMC improved constant ...