E27 halogen bulb are made of glass, with an average lifespan of 2000 hours, lead and mercury free, instant lighting without waiting for preheating. Diameter 55MMStandard A55 bulb with E27 base, easy to install without any tools. The bulb diameter is 55mm, please make sure the bulb size matches your fixture before purchasing. DimmableCompatible with dimmers, warm light 2700K, dimmable 10-, easily adjust the lighting environment according to your preferences, no flicker, protect your eyes. 360 Beam Angle360 beam angle, lighting without dark areas. CRI> 80and, restores the original color of the item and reduces eye fatigue. ApplicationE27 A55 bulb perfect for home lighting, office, bedroom, kitchen, dining room, exhibition room, showcase and other scenarios. Often used in ceiling chandeliers, wall lights, floor lamps, table lamps, etc. SatisfactionIf you have any questions or suggestions After receiving the bulb, please feel free to . We will replace or refund you after confirming the situation. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.