Features: 1.Lamp inner arc tube with EBT's patented technology has advantages of longer life and more reliability 2.Few solder joints and solid structure make stronger antivibration and anti-shock ability, reducing early failure 3.Solid cool down ensures the best lumen maintenance and reduces early failure. Advantages: 1.High CRI, noticeable stablity and consistency of lamp-to-lamp color both in initial life and entire life 2.High luminous efficiency and correction factor, small difference in spectral tone 3.High lumen maintenance ensures the lighting effects during the entire lighting period 4.Energy saving, high luminous efficacy, long life, low heat radiation, running cost saving 5.Longer life, shorter cool and hot restirke time.