Light Base, 6 inch Diameter, 40 Multicolor LEDs, Battery Op., Black 10 in. diameter x 1 in. high 20 white, 20 red, 20 blue, 20 green LEDs 5 color combinations: white, red & blue, red & green, blue & green or red, blue & green One button to turn the device on and off or to switch between color combinations One button to pause the cycling of colors