Product Details:? Low energy, high efficiency and high power factor design life of 30,000 hours of radiation using a wide range of low-calorie soft light and compact low UV / IR radiation, and high CRI applications:??.???? Super Lighting Office Lighting factory lighting living room lighting parameter information: luminous efficiency (lm): 70lm color description: Warm white / cool white temperature (K): 2700-6300 color rendering index (Ra): 80