【High Quality】E27 halogen bulbs are made of high quality glass, with an average lifespan of 2000 hours, lead and mercury free, instant lighting without waiting for warm-up. 【Diameter 55MM】Standard A55 bulb with E27 base, easy to install without any tools. The bulb diameter is 55mm, please make sure the bulb size fits your fixture before purchasing. 【Dimmable】Compatible with dimmers, 2700K warm light, dimmable 10-100%, easily adjust the lighting environment according to your preferences, no flicker, protect your eyes. 【360° Beam Angle】360° beam angle, lighting without dark areas. CRI> 80+, restores the original color of the item and reduces eye fatigue. 【Application】E27 A55 bulb perfect for home lighting, study, bedroom, kitchen, dining room, showroom, showcase and other scenarios. Often used in ceiling chandeliers, wall sconces, floor lamps, table lamps, etc.