Wide adjustment 90-265V Wide voltage range ensures that the E27 screw bulb will not be easily damaged by unstable voltage. Which can ensure it stable work for more than 20000 hours, no need to change bulbs frequently. Energy saving and E27 Edison screw These E27 edison bulbs replace incandescent lamps of 60W by 6W LEDs, save more than 90% on electricity bill. Standard E27 screw base, can be easily plugged into any E27 socket. 600LM 2700K Warm White Glow2700 Kevin provides warm, soft orange light, more suitable for decoration and to create atmosphere, table lamps, chandeliers, ceiling. Decorative retro filament bulbs make it easy to create a romantic and comfortable environment in a restaurant, cafe, hotel and bar. No Flicker - Protect Your Eyes with high chromogenic index CRI 90+. Stable light output, no flicker, no glare, protect your eyes and make your eyes comfortable. Safety Pack & 2 Year Warranty Includes 6 LED bulbs packed with cushion and hard cardboard to ensure the bulbs are well protected during transportation. We also offer a 2 year warranty. Please contact us if you have any problems.