The spherical diffuser design of Castore is enhanced by a removable-fitting and tapering luminous stem, that makes a sweet transition from the strong diffuser light to the blind lamp structure area.‎ Ceiling rose and stem in thermoplastic resin, blown glass diffuser.‎FEATURESArticle Code: 1045110A / 1053010A / 1052010A / 1051010AColour: WhiteInstallation: SuspensionMaterial: Blown glass, polycarbonateWatt: 5W / 13W / 21W Voltage: 220V-240VDelivered lumens output: 402lm / 1227lm / 2077lm / 2218lmEfficiency: 86% / 81% / 85% / 90%Efficacy: 80.‎46lm/W / 94.‎38lm/W / 98.‎91lm/W / 105.‎63lm/WCRI: 80SOURCES NOT INCLUDEDCategory: LED RETROFITNumber: 1Socket: E14 / E27