The 4W Tubular Dimmable LED Bulb combines vintage style with modern functionality, saves energy, and lasts 25,000+ hours. It has a high CRI of 90+, a clear finish, smooth dimming, and is compatible with Trailing-Edge and Phase dimmers. With brightness ranging from 0-100%, enjoy the 4000K color temperature, 360° beam spread, and no flickering, dazzling, or radiation. Ideal for any room.