1, see national mandatory energy-saving lamp packaging products, in packaging marked the following: Source logo, rated voltage and voltage range, rated power, rated frequency. In the light, or on the packaging or instructions marked on the lamp current, to be able to use other security-related supplement.
   2, the appearance of energy-saving lamp options: a look: lamp, lamp is loose, missing lamp phosphor coating is uniform coating, the powder, phosphor crystal white body should not have yellow or gray hair phenomenon. Second look: power light lamp, the lamp light is normal uniform, the lamp should be no dark spots, light flashes unaccompanied.
   3, to understand the model as an energy-saving lamp energy saving lamp products labeled model: YPZ230/9-3U? RR? D 6500K, which YPZ on behalf of general lighting with self-ballasted fluorescent lamps (CFLs), 230 / 9, the rated voltage of 230V, rated power 9W, 3U, said light structure (the three U-shaped tube formed), RR, said light emitting color, D, said electronic self-ballasted, 6500K correlated color temperature, said that as daylight or color in Chinese. General energy-saving lamps marked the first three of more.