A great color-changing mood light! The Mood Cube also makes a perfect nightlight or use it as party table decor. It functions in a cool color-shifting mode or keep it on your favorite color of blue, green, red or white. Easy to use, simply press down on the Mood Cube to turn it on and press again to turn it off. The included light bulb is replaceable. Uses 3 AA batteries (not included) or can be used with a 4.5V A/C to D/C Adaptor (not included). Dim: 4.12" x 4.12" x 4.12"