... Product Features Specifications:Input voltage: 175 to 265V AC, 50 to 60HzLength: 600/900/1,200/1,500mmPower: 9/14/18/22WLED ... : 4,000 to 4,500KCool white: 5,500 to 6,500KLight luminous flux: 600mm: 750lm ± 5%900mm: 250lm ± 5%1,200mm: 1,800lm ± 5%1,500mm: 2, ... 100lm ± 5%Lifespan: 35, ...