These LED bulbs are not compatible with a dimmer switch. With a color temperature of 3000K, the bulb provides a warm white light and creates a pleasant atmosphere in any room. Save energy: With the 5W G45 E27 LED bulb, which replaces a 20W incandescent bulb, you can save energy. Warm and pleasant light with low energy consumption, 360-degree beam angle. Easy installation: G45 shape with a standard E27 base. The thread diameter is 27 mm, allowing for easy replacement of traditional E27 halogen bulbs. Matte PC teardrop-shaped housing - E27 LED bulb - Eye-safe - Glass material - Crushing resistant. Important: If the bulb does not light up, please check if the lamp holder is touching the copper plate, as it may have become flattened due to prolonged use. If so, lift the copper plate when the device is switched off.