To activate your LED Green Christmas Tree Centerpiece simply slide the button located on the bottom of the base to the ON position. Watch the LEDs beautifully transition from color to color! The Christmas Tree Centerpiece takes 4 seconds to go through all the colors. Specifications: Height: 11.5 in. Width: 6 in. Tree Colors: Green Base Colors: White LED Colors: Red, Blue, Green Batteries: Includes 3 AAA Batteries Weight: 0.53 lbs