Description:Description: This music tesla has the function of wireless transmission and loudspeaker, can light gaseous tube and kind of bubbles. It is a perfect teaching tool to spark students' interest of science, also a great gift. It is a smart device for wireless transmission experiments. It can be used to create high voltage and do various scientific experiments, such as wireless power transmission, wireless lighting, and insulator withstand voltage test. This music tesla has circuit protection design, will not damage the input device, can play music better quality than normal for plasma loudspeaker. Specification: Material: Arcylic Plug Type: US Size Chart: 9cmx9cmx3. 3cm/3. 54 inch x3. 54 inch x1. 30 inch Package Includes: 1 Piece Music Tesla Coil 1 Piece Discharge Needle 2 Piece Ambient Light 1 Piece Manual Note: 1. This is not infant toy, please take away from children to avoid eating. 2. Please allow slightly errors due to manual measurement and different monitors. Specifications:Material: Arcylic Plug Type: USSize:9cmx9cmx3. 3cm/3. 54 inch x3. 54 inch x1. 30 inchNote:1. This is not infant toy, please take away from children to avoid eating. 2. Please allow slightly errors due to manual measurement and different monitors. Package included:1 Piece Music Tesla Coil 1 Piece Discharge Needle 2 Piece Ambient Light 1 Piece Manual