Multifunctional Electronics Audio Music TeslaModule Plasma Speaker Sou

color : Black size : Standard 611712149/13762519703 Multifunctional Electronics Audio Music TeslaModule Plasma Speaker Sound Solid Science Experimental Toy with BT It is a perfect teachingto spark students #39; interest of science, also can be a fine gift. Features: Desktoplevel integrated mini solid state Teslafinished product, made of PCB, highly integrated, cleaning and safe. Squarewave music can be played to increase its playability. It is a perfect teachingto spark students #39; interest of science, also can be a fine gift. You only need to twists an electricpin andthe powersource to experience theof palmslightning.� Direct current power adapter, no other accessories, no grounding needed. With heat dissipation system,is safer. Specifications: Supplys voltage: 110V240V 50/60Hz Powers: 0100W Lightning length: 010cm (adjustable by a knob) Input voltage: direct current 48V 2A Material: PCB BT: yes Item size: 106 * 106 * 61mm / 4.2 * 4.2 * 2.4in Package size: 210 * 140 * 110mm / 8.3 * 5.5 * 4.3in Package weight: 900g / 2.0lb Packing List: 1 * Tesla Coil� 1 * Power Adapter