1) light source: 1180pcs 2835 led / epistar led chip 2) luminous flux: 18000lm 3) rated wattage: 150w 4) base: e40 e39 e27 e26 5) rated voltage:100-277vac , 50/60hz 6) color temperature: ww(2700~3800k), nw(4000-5000k) or cw(5500-6700k) 1 ecommended replaced bulb¡êo 450w cfl 12pcs/ctn