Material: Glass Size: 4.5*9cm / 1.76"*3.51" Voltage: 220-240V Power: 2W 4W 4W supports dimming, 2W does not Color temperature: 2700K warm white 1. Using high light-transmitting materials and exquisite craftsmanship, the filament is clearly visible, creating a warm and retro atmosphere, suitable for home decoration, cafes or restaurants and other scenes. 2. E27 standard screw design, strong compatibility, support 220V voltage, suitable for various lamp bases, easy installation, plug and play, safe and reliable. 3. 2700K warm white temperature, soft light without glare, effectively protect eyesight, while providing high-brightness lighting effects, meet daily use needs while adding romantic atmosphere. 4. Energy saving and power saving, compared with traditional incandescent lamps, it reduces energy consumption by more than 70%, has a longer service life and reduces the frequency of replacement. 5. Selected LED filament technology ensures uniform lighting without dark areas, combined with retro design, making each lamp the focus of the room and enhancing the overall style. Package includes: 1pcs bulb