AUSTAR 4 Colors LED Light 4-Bulb Circuit Board RC Car Light Parts Description: Color: Red&Blue, Blue, Yellow, White. (Please choose the one that you want.) It can be used to replace the 4-bulb circuit board of RC car LED Lights. It is suitable for the following types of AUSTAR LED Lights: SKU221988, SKU222000 Package Included: 1 X 4-Bulb Circuit Board