... par38 led spot light material: pure alunimum lumen: 90-100lm/w led chip: Epistar Watt:12*1W par38 led spot light 1. Taiwan chips, 110lm/w for cool white. 2 ... -240VOperating Temperature -20-90 °LED Lamp Life >50,000 hoursRelevant ... 2,600-3,700K /Neutral White 3,700-5,000K /Cool White 5,000-10,000K Mechanical Data Light Type LED light ... EMC for global market.High power LED,LED we use Taiwan or Epistar ...