To activate your Green Mini Christmas Tree simply slide the button located on the bottom of the base to the ON position. Watch the LEDs beautifully transition and blink from color to color! Height: 24.0 in. - Width: 12 in. LED Colors:Blue, Red and Green Batteries: Tree comes with an AC adapter. This product does not use batteries. Weight: 5.35 LB NOTE: Some simple assembly is required. To assemble simply insert the silver tree into the base. Bend and fluff tree branches for fullness. Both the tree and branches are green.