The 10-GL cap light is designed to replace the rubber moisture Seal that comes on the neck of your translucent or opaque gazing Globe. The 10-GL transforms your standard gazing Globe into a lighting spectacular! the mated solar panel charges the color-changing and white LEDs by day and automatically turns either of them on in the evening. You have the option to use the white LED or the color-changing LED which transitions to blue, green and red creating an awesome lighting display.