... use of safe, green environmental protection Product featuresThe American original CREE light source, die casting aluminum alloy material, With high luminous ... life. Light attenuation per thousand hours is less than 3 ‰LED life 100000 hours; The whole lamp life 3 ~ 40000 hours ... ban charged test or operation, otherwise will strike the bad LED.Shell color: silver, black, white, aureate, champagne and so ...