Item Type: Music CoilMaterial: PCBHost Size: Approx. 100x100x50mm/3.9x3.9x2inPlug Voltage: 100-240VPower: 0-100WMode: Music mode, lightning modeSupport Music: Square wave musicArc Length: Approx. 0-10cm/0-3.9in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 12 Modes: The coil has music and lightning modes, wireless power transmission enables the light bulb to emit light without any contact or connection. 2Music Mode: You can use a mobile phone to connect and play special square wave music, lightning will flash with the rhythm and generate electric sound by vibrating the air. 3Knob Adjustment: The coil can emit lightning of about 10cm, turn the knob to adjust the length and frequency. The arc effect is like a branch, you can touch it, the dancing lightning is like massaging your hand. 4Experiment Model: The coil can be used to generate high voltage lightning and carry out various scientific experiments, such as wireless power transmission, wireless lighting and dielectric withstand voltage tests. 5Circuit Protection: This music coil has a circuit protection design, which will not damage the input device. Just install and insert an electric needle, play square wave music, you can feel the charm of lightning and music.