Description: Assembled Mini Rotating Music Tesla Coil Kit with Purple Arc for Kids DIY Projects After the Tesla coil is powered up, generate high temperature and high pressure plasma, it can ignition, wireless transmission and illuminate the neon, LED energy-saving lamps in the air It can be connected MP3 audio, computer, mobile phone, let arc sing and play music The arc generated will have a certain amount of thrust, in the role of thrust will swing Suitable for beginner, student experiments, curriculum design and so on, very interesting small scientific experiments Specification: Power supply input voltage: 24V DC Power supply current: 2A-3A Power supply interface: 5.5-2.1(internal positive and external negative) Number of coil turns: 250 Audio interface: 3.5mm socket The volume produced will be higher than the volume of the headset Size Chart: Size(LxWxH): 120x80x60mm / 4.72x3.15x2.36inch Package Includes: 1 Piece Mini Musical Tesla Coil Kit Note: Due to the manual measurement, please allow 1-2mm differences in size Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand