Features This product also has a music playback function, made into a new concept of arc speakers, which stimulate the arc through the air. This coil module also has a light barrier function, which can separate the fluorescent lamps to light up after power on. This Tesla coil has undergone safety testing and is safe and reliable, but you must pay attention to safety when using it. The arc function of the Tesla coil is that the tail wire will generate an arc and can also be ignited. This Tesla coil is a manual DIY electronic tool, easy to install, and lighting to achieve a variety of effects. Specification: Item Type: Tesla Coil ModuleMaterial: Synthetic Cardboard Power: 15 W Power Input: DC 15-24V Current: 2A Interface/Pin Audio Input: 3.5 Socket Package List:1 x Tesla Module1 x LED Light Package List 1 x Tesla Module 1 x LED Light