This Link2Home Wi-Fi LED Opal GLS Dimmable 9W bulb has an 800 lumen output, equivalent to a traditional 60W bulb. Specification: Fitting: BC (B22) Input Wattage: 9W (60W equivalent) Lumens of Light: 800 lm Average Rated Life: 15,000 hours White Light Colour Temperature: 2,700K-6500K (Warm to Cool) RGB Dimmable: Yes Rated: A The Link2Home Wi-Fi LED Dimmable Bulb with RGB allows you to move across the white light spectrum, from a warm 2,700K all the way to a cool 6,500K. You can also choose from over 16 million different colours using the scroll wheel on the Link2Home Pro app (Free). Use the app to dim the bulb too. Control your home atmosphere via app control or voice. Using the Link2Home Pro app, you can set up precise timers which can be customised by days of the we.