Feature:1. Hand‑made DIY electronic tool kit is clearly marked, simple to assemble, lighting to achieve multiple effects2. The product support arc function, the wire at the tail will produce an arc which can be ignited3. This is a new concept of arc speaker with music playback function, stimulate the arc through the to make the plasma produce vibration4. You can play mobile phone/computer music by this coil electric module, but the sound is very small5. Possess light isolation function, after the coil is energized, the fluorescent lamp can be lit separatelySpecification:Item Type: Coil ModuleMaterial: Synthetic cardboardPower: 15wPower Input: DC 15-24VCurrent: 2AInterface/Pin: Audio input: 3.5 port Package List:1 x Coil1 x Synthetic Cardboard2 x Heat Sink1 x Power Cord4 x Resistance4 x Column3 x LED Light1 x Power Interface1 x Audio Interface1 x Red Wire2 x Capacitance6 x Screw1 x Triode1 x Field-Effect Tube