Description The Mini Music Coil Wireless Transmission Arc Kit is a fascinating scientific experiment kit that allows you to create voltage plasma. It can sing, ignite, wirelessly transmit power, and light up fluorescent lamps. Features -Color:Multi -Material:Plastic -Size:7.90X4.00X0.10cm/3.10X1.57X0.04in -Size:6.00X2.00X2.00cm/2.36X0.79X0.79in -Power input: DC 15-24vV -Current: 2A -Pin header:DC5.5 -Audio input: 3.5 jack -Note: Do not put mobile phones, mp3 and other electronic devices close to the coil. - Small size but practical in use. Turn the sound slowly to avoid being shocked by the large sound of the arc. - With circuit protection design, and it will not damage the input device, practical to use. - The electric arc generator toy can play music in better quality than arc loudspeaker. - Not only a perfect teaching tool, but a multi-functional toy for good viewing. Great gifts for your choice. - The electric arc generator toy adopts wireless design. No grounding needed and no audio wire connection. Package list: 1 x set of music coil