Fully Dimmable. 2200K Warm White. Glass Envelope. ES or BC FittingWattage: 4W (CRACKLE4ES & CRACKLE4BC) or 6W (CRACKLE6ES) Colour Temperature: 2200K Warm White. These LED filament lamps are fully dimmable and have a decorative mirrored crackle glazed effect- making them suitable for virtually all applications in the home- hotels- bars and restaurants. The crackle lamp has a warm 2200K colour temperature for a cosy feel whilst offering a 360 degree light distribution as well as all the other benefits of LED technology.. led lamp-led lightbulb