Replacement Sound and Music Activated Spectrum VU Meter EL Visualizer - Disco (4*AAA)
Great replacement EL board to your T-shirt - EL (Electroluminescent) backlit technology offers safe thin comfortable and non- intruding lighting on the shirt - Electronic light for T-shirt sound sensitive graphic EQ complete with battery pack/plug-in module - Equalizer is moving according to the sound when there is sound the picture will light and flash the flash will change its brightness according to the volume - An excellent item/gift for Big Party Personal Party Club Sports areas DISCO and so on - Powered by 4 x AAA batteries (not included)