GE Wireless Lights & Sounds of Christmas —
I tried this out and found that each reciever needs to be plugged into an outlet (I only have one outlet outside).
I eneded up running multiple extension cords. Other products like this offer the same features, more channels for lights, and are all plugged into a central box that controls the music and light sequence.
OK if you only have a few lights but if you have a large display keep looking.