Thanks to its surface shimmering in different colours, the spiral-shaped LEDs and its piston shape, the E27 rainbow screw bulb is ideal as a stand-alone light source; Dimensions: length: 14.2 cm/ 5.6 in, diameter: 6.4 cm/ 2.5 in The light source is dimmable (please consider the respective dimming properties of your light); The pleasant warm white light colour is ideal in rooms where you relax, such as living rooms and bedrooms Especially when the colourful spiral filament LED is switched on, the decorative round light bulb becomes a real eye-catcher for your home By using LED technology, you can not only save energy and thus costs, you also conserve valuable resources and avoid the use of harmful substances such as mercury According to EU Energy Efficiency Labeling directive this decorative light bulb does not require energy labeling information