Lumations Holiday Symphony Conductor Speaker. Let your lights dance with music! Transform your home into a concert hall where the LumationsT holiday symphonyT music conductor speaker leads an entire light orchestra to perform a grand symphony for you to enjoy. The music conductor comes with a stereo speaker with optimal sound quality. With its rain tight construction, you can install the conductor outdoors. Simply plug in the music conductor speaker, then decorate your selected holiday symphonyT LED lights at the desired spots, the music conductor will automatically connects and controls all the lights tirelessly to play out 7 pre-programmed extravagant music light shows. One music conductor speaker connects to unlimited number of LumationsT holiday symphonyT LED lights. Stereo speaker with optimal sound quality. Interval mode controls motion light effects without music accompaniment. Aux outlet available if you want to connect to external speaker. Pre-programmed with 7 Christmas carols1. Carol of the sugar plums2. Joy to the world/O come all ye faithful5. We wish you a merry jingle bells6. Toys on the housetop. Cord Lead Length (Inches).