Description: 【Interactive Musical Lightning】: Experience mesmerizing lightning that dances to the rhythm of your music in Music Mode, creating a visually stunning and rhythmic light show 【Bt Audio Input】: Connect your device via Bt to synchronize the lightning with your music, producing real "electronic music" through high frequency and high volts arcs 【Square Wave Music Compatibility】: Designed specifically for square wave pulse music, ensuring optimal performance and synchronization between sound and lightning effects 【Sound Levels】: The sound is generated by air vibrations caused by electric arcs. While it cannot be completely muted, you can reduce the volume by lowering discharge power or using a glass cover over the discharge needle 【Dynamic Lightning Effects】: In Lightning Mode, enjoy random bursts of lightning that resemble in the dark, adding a touch of scientific wonder to any setting Specification: Power: 60W Lightning Length: 0 to 10cm Input Volts: 48V (AC 220V) Plug: EU Instructions: 1. Turn the knob clockwise to tighten the discharge pin. 2. Connect the power cord to an outlet. 3. Swipe right to activate the lightning function. 4. Swipe left to activate Bt music mode. Size Chart: 10.5cmx10.5cmx10.5cm/4.13inchx4.13inchx4.13inch Package Includes: 1 Music Tesla Coil Note: Prevent arcing from impacting other electronic devices. Only square wave music can be played. Personalities with should keep the device away from them during use.