Product details:
The Wireless Lights and Sounds of Christmas enables holiday decorators to synchronize their lights to the sounds of 44 holiday and Halloween tracks through 4 remote wireless receivers. With a 100 span 50 in any direction from the Transmitting unit the set up can easily cover your whole housefront. Plays in 3 modes Multiplex light show Unison and Lights steady on. Patent number 7728216. UL listed outdoor.