The 4lite WiZ Connected A60 Dimmable Multicolour WiFi LED Smart Bulb provides 16 million colours and tuneable white dimmable light. The LED's 8W is equivalent in brightness to a 60W bulb. It can be controlled via the WiZ App and by Voice Controlled Smart Devices such as Google, Alexa, Siri, and Samsung Smart Things. No hub is needed. Features Colour Correlated Temperature (CCT) from 2200K to 6500K and 806 lumens. The LED has a lifetime of 25,000 hours. This smart bulb is also dimmable and offers RGB colours and tunable white, ranging from very warm white to daylight. It is Wi-Fi/Bluetooth controlled through the Wiz App and supports voice activation with Google Assistant, Amazon Alexa, Siri Shortcuts, and Samsung Smart Things. Equivalent to a 60W bulb with a 25,000-hour lifetime. This pack contains 4 bulbs.