Multifunctional Electronics Audio Coil Module Plasma Speaker

It is a perfect teaching tool to spark students' interest of science, also can be a fine gift. Features: Desktop-level integrated mini solid state Tesla coil finished product, made of PCB, highly integrated, cleaning and safe. Squarewave audio can be played to increase its playability. It is a perfect teaching tool to spark students' interest of science, also can be a fine gift. You only need to twists an electric-pin and plug-in the powersource to experience the charm of palms-lightning. Direct current power adapter, no other accessories, no grounding needed. With heat dissipation system, it is safer. Specifications: Supplys voltage: 110V-240V 50/60Hz Powers: 0-100W Lightning length: 0-10cm (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