... 5. 4 years warranty Hottest high power led 50w 10000kSpecification:Power:50wattCurrent:1750mAVoltage:30-34v Luminous:5000-5500lmLife ... : Formal USA Bridgelux or Formal Taiwan Epistar chips Phosphor Powder:USA Intermatix Phoshor powderGold wire: from Germany Heraeus ... 20w, 30w, 50w, 80w, 100w 200W 300W high power led diodeAvailable chips:US bridgelux,Taiwan Epistar45mil,Taiwan Epistar35mil,Taiwan ...