With the publishing of Low Efficiency Lighting Products Replacement Road May, the pace of eliminating incandescent light is speeding up and energy-saving light is taking control. Does it mean when incandescent lights are replaced, people will never see those lights with 100% CRI, continuous spectrum and immediate response? Of course not, there will be superior replacement by led high bay . When the trend of replacing incandescent light is getting stronger, someone asks whether the light is useless anymore? According to LED Lights industrial specialists, incandescent lights still have some advantages that are not replaceable by most lights.