... 6400K Lifetime:more than 8000 4U lamp with high Luminous flux SH-D4U Saving energy 80%,have ... more than 8,000hrs life time,High luminous flux,high perfomance, stable light beam, no flashing, protect ... outer casing adopts PBT plastic with fire-proof,high-temperature-proof and UV-proof, Using the ... lamp tube is good at color-rendering with high light effect. Better energy-saving capacity.Two color ...