• Desk experiment :the electric arc generator adopts design, no grounding needed and no audio wire connection,music coil
• Transmission kit:the electric arc generator can play music in better than arc loudspeaker,electrical discharge machine display
• Electric arc generator:you only need to twists an electric-pin and plug-in the power sources to experience the charm of electrical discharge,
• that connect to phone:not only a teaching tool, but a multi-functional for viewing, great your choice,desktop
• :this desktop is small, light, and easy to carry, can take it with you wherever you go, electronic