Product Features: With a rendering index as high as 80Ra and a luminescence efficiency of 60-72lm/w, the tri-phosphor tube light enjoys an energy-saving performance that is 80% less than that of ordinary incandescent lamp.With high-quality electronic components, it is stable in performance, low in harmonic, low in temperature rise, without frequency-flicker or noises. With compact structure, fast starting, it can be used in large area. Green and environmental-friendly.