Please read and strictly abide by the following items when using this product 1. When using this product, do not discharge electricity at others or animals. 2. Electric gu is a kind of high temperature plasma, which can ignite inflammable and explosive materials. Please do not use this product in oil depots, gas stations, warehouses and other occasions. 3. The electric isolation is also a very high voltage conductor. Do not discharge any electrical appliances (mobile phones, computers, household appliances, etc.) or bare wires. This will cause the electronic components in these appliances to be damaged. Breakdown (damage like a strike that cannot be repaired) Therefore, please do not use this product in places (computer rooms, electronic equipment rooms, airports, hospitals, etc.) with close electronic equipment. 4. This product will produce a certain amount of high-frequency electromagnetic current interference when it is working. People suffering from heart disease, epileptic neurosis, and people with implanted electronic devices (heart pacemakers, hearing aids, etc.) are prohibited from using this product, and stay away This product. Special Note The frequency of the arc generated by this device is as high as 1.2Mhz. According to the skin effect of the high-frequency current of the laws of physics, the current of the arc will only spread on the surface of the skin, and you will only feel a slight tingling sensation when touched. Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. Name: Handheld Tesla Coil Category: Handmade DIY assembly works Power supply: 12.6V lithium battery pack 2200mA Charging: 12.6V 1A Endurance: greater than equal 1700 times Frequency: 1.1-1.3Mhz Size: Length 20cm Width 7.1cm Height 18cm Arc: 13cm Material:Acrylic colour:Red / Black Package Contents: 1 * Handheld Tesla Coil Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.br /> Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.