Gbargain 9W RGB + Warm White LED Light Bulb Lamp E27 Mi Light RGBW Series + WiFi led Controller for Smartphone iPhone Android Mi Light Series (dimmable Light, Aluminum housing,WiFi led Controller) This bulb can work with RGBW remote control, or by iOS or Android App via WiFi controller. This bulb can work with RGBW remote control, or by iOS or Android App via WiFi controller. Please read the instruction manual carefully before using. Quick and easy installation of the smart LED Bulb is the same as any other common light bulb. The bulb must be screwed into the light socket and switched on at the wall for 2.4Ghz wireless operation, allowing the remote control/App to turn the LED buon/off, dim/brighten and color change. Lamp Base:E27 Voltage (V):86-265v,Light Color:RGB and Warm White LED Power(W): 9W