... CE, ROHS certificate1,With three-color phosphor, a good optical efficiency, small color tolerance, color refers above822. There is daylight ... ~ 8000K3. Use of advanced water-powder coating process, to improve light efficiency, reduce bad light.4. Use of high-quality lead- ... environment, a smooth start, the best working temperature raised to 35 °C, suitable for the actual lighting.Fluorescent tubes are ...