Multifunctional Electronics Audio Music Tesla Coil Module Plasma Speaker Sound Solid Science Experim

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.Square-wave music 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 50/60HzPowers: 0-100WLightning length: 0-10cm (adjustable by a knob)Input voltage: direct current 48V 2AMaterial: PCBBT: yesItem size: 106 * 106 * 61mm / 4.2 * 4.2 * 2.4inPackage size: 210 * 140 * 110mm / 8.3 * 5.5 * 4.3inPackage weight: 900g / 2.0lbPacking List:1 * Tesla Coil1 * Power Adapter