Mr. Christmas Maestro Mouse Presents The Lights and Sounds of Christmas Interactive Musical Light Show Ornament Measures 6" wide x 7" high Plays 24 holiday classics, including the 12 listed on the stand Request songs or turn lights on and off with simple voice commands Plug lights into the control box to sync the lights, and then set Maestro Mouse in your tree Compatible with prelit Christmas trees and incandescent or LED lights up to 42 watts