<ul><li>VU Meter Kit</li><li>LED\'s light up according to the sound level of the speaker</li><li>Assembly with a soldering iron is required. Solder and soldering iron are not included.</li><li>A 9V battery is required for operation (not included)</li></ul><br><br>LED\'s light up according to the sound level of the speaker. A 9V battery is required for operation (Not included). Assembly with a soldering iron is required. Solder and soldering iron are not included.

EX ELECTRONIX EXPRESS VU Meter D.I.Y. Soldering Kit - Build Your Own Volume Indicator