Dimmable Function: Classic design GLS A55 easily adjusts brightness to create the perfect ambiance for any room with its smooth dimmable function, 624 lumens E27 Edison Screw (ES). Energy Efficiency: The E27 halogen bulb offers superior energy efficiency compared to traditional incandescent bulbs, helping you save on electricity bills while delivering bright and reliable lighting. 2000 hours lifespan. Natural Color Rendering: Experience natural and vibrant colors with excellent color rendering index (CRI > 99) 360° degrees for a more pleasant and lifelike lighting atmosphere in your home or workplace. Easy Installation: Designed with a standard E27 screw base, this halogen bulb is easy to install and compatible with a wide range of fixtures, ensuring hassle-free installation and versatility. 【Wide Application】E27 42W halogen bulb is perfect for bedrooms, kitchens, living rooms, bathrooms, restaurants, hotels, showrooms, shop windows, etc.