Feature:1. Plasma Coil: Hand held arc coil is a portable lightnings generator with transparent acrylic shell for better observation.2. Pretty Arcs: Powered by 12.6V 2200mA high capacity lithium battery pack to trigger long and pretty lightnings up to 13cm.3. Durable Use: The number of uses is as high as 1700 times, and both the effect and the battery life have a good performance.4. Simple Play: Enables convenient jogging to triggers the plasma discharge, making the operation easier and more interesting.5. Easy Carrying: shaped design along with light weight and compact size largely simplifies the daily carrying and playing.Specification:Item Type: Handheld Coil Kit Material: AcrylicCategory: Hand Made DIY Assembly WorksUS Plug: AC100-240VPower Supply: 12.6V lithium battery pack 2200mAh (shipped with built in battery). Charging: 12.6V 1AEndurance: ≥1700 timesArc: Approx. 13cm / 5.12inFrequency: 1.1-1.3MhzLength After Assembly: Approx. 20cm / 7.87inWidth After Assembly: Approx. 7.1cm / 2.8inHeight After Assembly: Approx. 18cm / 7.09in Package List:1 x Arc Coil1 x Body1 x AdapterNote:1. Please pay attention to the battery voltage display on the voltmeter during use. When 12.4V is displayed, it is fully charged: when it displays about 10.5V, please be sure to use it after charging, otherwise it will directly damage the battery. 2. When using this product, do not discharge electricity to other people or livestock. Discharging electricity to others may cause conflicts and disputes, and discharging electricity to livestock may cause livestock to frighten, go mad and hurt people. 3. Arc is a high temperature plasma, which can ignite flammable materials. Do not use this product in oil depots, gas stations, warehouses, etc.