... LED Manufacture Cree, Edison, EpisarOperating Temperature -30o~+50oLED Lamp Life 50,000 hoursRelevant Certificate CE, RoHSWarranty 2 years Optical Data :Light Color ... Warm White, White, R,G,B,Y Color Temperature 2700k-6500kLumen/Watt2300lm±100lm ... CRI Warm white: 85,Neutral/Cool White: 70Mechanical Data Light Type LED ...