230V 4W LED ES Clear ST64 Filament Lamp 2700K DimmableLED filament lamp. aims to recreate the traditional, retro look and feel of incandescent lamps, with the added benefit of improved efficiency and longevity. This style of the lamp looks great on its own or paired up with an exposed shade. Replacement for a 40W incandescent lamp Dimmable* High efficiency, 120lm per watt Warm White, 2700K, 525lm *Compatible with most trailing edge dimmer, please check compatibility before installationTechnical Specification:Diameter: 64Height: 140Construction: GlassIP Rating: IP20Primary Voltage: 230V 50HzDiffuser: ClearAmbient Operating Temperature: -20~40Lamp Technology: LED FilamentLamp Base: E27Lamp Type: ST64Dimmable: Yes*Energy Rating (Class) post 2021 SLR: ECCT: 2700Light Colour: Warm WhiteLumens: 500Wattage: 4Circuit Wattage: 3.9Efficacy: 126.25Actual CRI: 82.9SDCM Tolerance: 3.8Operating Current: 0.023PF (Power Factor): 0.73SVM: 0.025Dimensions: Height: 140mmWeight: 0.05KgWarranty: 2 Years