The Music Match Bluetooth® Light System is for use with National Tree Company trees pre-lit with low voltage LED lights. The system allows music to be streamed from a Bluetooth® capable device causing the lights on the tree to “dance” in sync with the music playing. Light intensity raises and lowers together with sound volume. Use: Indoor Measurements: 1.77 Height/Inches, 3.94 Width/Inches, 2.84 Depth/Inches Care: Wipe Clean Country of Origin: Imported