TFSeven&reg; Multi-Setting Energy Efficient,16 Color 3 Watt Color Changing E27 LED Light Bulb,Come with Remote Control LED Spotlight Bulb (Multi-colored) Operates in standard light sockets (E27) 3-watt LED light bulb | Adjustable hue and brightness Includes remote control with 16 preset colors and flash settings including flash, strobe, fade, and smooth Remote Batteries: CR2025 (included) Bulb Diameter: 1.75"