About this item Color: 6000K White Compatible with: T10/31mm/42mm-festoon Package including: 20 LED Light Bulbs (8x T10, 6x 31mm, 6x 42mm) INSTALLATION: Professional installation is highly recommended (No instruction included) This combo fit most of the car's interior light, but might not fit all, please check the size of your original bulb before you make the order.