The 4lite Wiz Connected Dimmable Multicolour WiFi LED Smart Bulb creates atmosphere with 16 million colours and delivers 345 Lumens of Tuneable White & Dimmable light. The LED's 4.9W is equivalent in brightness to 50W. Controlled via the WiZ App this WiFi bulb works with Google, Alexa, Siri, Samsung SmartThings No hub needed CCT 2200K to 6500K + RGB - 345 lumens LED lifetime 15, 000 hours