Auto remote controlled colourful led lamp 36mm with a wireless remote control, it is possible to set the light colour to be red, green, blue, white and so on. And also there are different lighting modes as follows: flash mode, strobe mode, fade and smooth mode. Flash mode: colourful dazzling changes strobe mode: fade in and out of white fade mode: colourful gradual changes smooth mode: three colours dazzling changes. Usage: reading light, roof light, trunk light and interior light. Please note: the battery is not included in the package.