WIFZIG WiFi Smart GU10 LED Bulbs, RGB plusCW Color Change GU10 Alexa LED Bulb,Works with Alexa and Google Assistant, 2700-6500K,Multicolor Track Light Bulb, App Control

You must have WIFI connection to connect to WIFI to connect this bulb to internet.Then after installation you can control ON/OFF/DIM/Change color from the APP named Smartlife with WIFI or 4G/5G mobile internet If you have bluetooth only and not have access to WIFI for connection then it won't work. And please do not use dimmers to dim it. If you would like to dim them, please use the dimming from APP from phone or Alexa voice control . The old wall switch can still control the ON/OFF. You don't need to buy a smart switch. WIFZIG provide you quality WIFI-Fun smart lighting. This google home mini light bulbs is RGB+CW. color changing GU10 LED light Bulb