... Brightness: brightness is Halide Lamp, low functional energy- saving lamps 2 times higher than the general power of energy ... , high efficiency, natural-color real, long life and energy-saving 80%4) Green lighting products, introduce advanced circuit design, ... .5) high efficiency and energy saving, simplicity of use, security, economic, can replace ordinary light bulbs.Detailsenergy saving lamp 2U 11W