With long flexible light source,Attaching on Sound box,TV sets, ceiling or household furnishing,it would flash with music. *Power:110V~220VAC,50~60Hz(Via a 6VDC adapter)*Function:Constant light&Sound-sensing(adjustable sensitivity of Sound)*The max length of EL wire:20meter(2.2mm/3.2mm) /10meter(4.0mm/5.0mm) *Attaching on Sound box,TV sets, ceiling or household furnishing. Sound-sensing function ...