... decline, low energy loss.7.Withstanding high temperature and high pressureSpecification TypeWatts (W) Volt (V)Power FactorBaseTube (mm)Lumen Flux(Lm)Lumen Efficiency (Lm ... price.Applications:Resident lighting, hopping malls, office ,school table/floor lamp, pendant lamp, supermarkets restaurants, shops ,hotles.Ceiling lamp,etc. 10000H 2U E27 CFL ENERGY SAVING LAMP