1. This product is secure, electricity isn’t high, will no longer be injured through electric surprise, however it isn’t endorsed to the touch the pinnacle of the coil arc, there will be a feel of burning. 2. Do now not contact the warmth sink after a long term energy supply, the temperature is very high, particularly when the usage of 24v excessive voltage heat, reserve a fan interface, if necessary, please upload cooling fan cooling. 3. Tesla coil is recommended to work while the frame or different items near the coil, the coil subsequent to half a meter blank can not be different objects, as other items as an amazing conductor will make the coil shape a terrific loop, soaking up the coil electricity, making testers pull the coil right now the impact of demonstration or deterioration can’t be demonstrated! Please word. 4. Do not put cellular telephones, mp3 and different digital equipment close to the coil, or the coil will produce high-frequency magnetic area interference, making mobile phones, mp3 and different system failure or damage.