Combining the classic profile of the incandescent light bulb with 21st-century cutting-edge lighting technology, the LiquidLEDs Clear GLS LED Filament Light Bulb (B22/Bayonet Cap Configuration) is an LED lighting device that generates a sparkling, clear light that's emitted in all directions thanks to its unique design. This makes it a perfect replacement for existing lights at home, or at the office. Above all, the LiquidLEDs Clear (B22) GLS LED Filament Light Bulb also features boasts of excellent energy-efficiency, using just 8 watts of electricity to generate 820 lumens, providing more than 90 per cent in energy savings compared to 60-watt incandescent light bulbs and halogen lamps. This product is a CRI 90, highest quality bulb. What is CRI, and why is it important? Color Rendering Index (CRI) is defined as a light sources ability to render colour. The higher the CRI, the better the light source renders every colour in the visible spectrum. To have what is generally considered good colour rendering, a source must be >90 CRI. This bulb's efficiency can go even further thanks to its dimming ability, giving users direct control over how much light the LED bulb generates, thereby controlling the level of electricity being consumed.