Communication MethodWiFi Lamp Head E26/E27 Input VoltageFor AC 100-240V Power Rate9W Brightness Brightness800LM infinitely adjustable Color Temperature2700-6500K Color ColorRGB+C+W/RGB+C/C+W Size Inch60*120MM Voice control: Siri/Alexa/Google home Network:2.4GHz Wi-Fi Color rendering index: 80 Specifications: 1. Matter Control: Matter devices can directly control Homekit APP , Siri ,For Google Home ,Alexa Voice Assistant ,no other gateway needed. 2.Music Rhythm: Enjoy beautiful music and provide you with a rhythmic atmosphere to improve your quality of life! 3.Voice Control: It has a voice control function, controlled by Siri / Alexa, so you never need to get out of warm bed or seat to turn off the light, just use your voice to turn on or turn off the light. 4.Millions of colours: The colour temperature of the light is from 2700k to 6500k, brightness can be dimmable as you want. 5.Home App remote control: You could control the Wifi matter LED light individually or create different groups in Home APP to control the Dimmable LED Light. 6.BRIGHT & ENERGY SAVING LIGHTING9W intelligent energy-saving LED bulbs provide bright, efficient lighting while using less electricity, saving you money in the long run. Package Included: 1*Smart bulb