... and good brightenss 2.80% energy saving 3.high lnminous efficiency high lumen umbrella energy saving lamp:OYC-UM-2 WattageBaseAverage ... LifeInitial LumensCRI(≥)Power FactorLDØ(W)(hrs)(≥)(lm)(≥)(mm)(mm)(mm) ... , Offices, Shops, Department Stores, Clubs,Restaurants, Hotels, Supermarkets high lumen umbrella energy saving lamp