- Great replacement EL board to your T-shirt<br />- EL (Electroluminescent) backlit technology offers safe、 thin、 comfortable and non- intruding lighting on the shirt<br />- Electronic light for T-shirt、 sound sensitive graphic EQ、 complete with battery pack/plug-in module<br />- 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<br />- An excellent item/gift for Big Party、 Personal Party、 Club、 Sports areas、 DISCO and so on<br />- Powered by 4 x AAA batteries (not included)<br /><br />                                                                                                                                Dimensions: 7.87 in x 5.51 in x 0.00 in (20.0 cm x 14.0 cm x 0.0 cm)<br />Weight: 2.82 oz (80 g)<br /><br />