230V 4W LED ES Amber ST64 Spiral Filament Lamp 1800K 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, amber glass with spiral filaments, looks great on its own or paired up with an exposed shade. Replacement for a 40W incandescent lamp Dimmable* Extra Warm White, 1800K *Compatible with most trailing edge dimmer, please check compatibility before installationTechnical Specification:Diameter: 64Height: 140Construction: GlassIP Rating: IP20Primary Voltage: 230V 50HzDiffuser: AmberAmbient Operating Temperature: -20~40Lamp Technology: LED FilamentLamp Base: E27Lamp Type: ST64Dimmable: Yes*CCT: 1800Lumens: 225Wattage: 4Circuit Wattage: 3.9Efficacy: 57.68Actual CRI: 84.6Operating Current: 0.022PF (Power Factor): 0.75Dimensions: Height: 140mmWeight: 0.05KgWarranty: 2 Years