Like every good startup, JoyTech began our small business in a warehouse in California. We promise to only produce and sell products that we would be proud to use in our own homes and garden. At JoyTech, the “triple bottom line” is alive and well. We’re striving to play an active role in the communities in which we operate. We seek to do right, do well, in support of people, profits, and the planet. We believe in being outstanding stewards of our beautiful nation and planet. JoyTech’s US-based operations abide by a 100% zero-landfill policy. WARNING: Tesla coil will interfere with electronic products when working, which is the characteristic of Tesla coil itself. So, please don't let your phone get close to the tesla coil to avoid damage. EXQUISITE CRAFT Its exquisite craft, beautiful modelling, unique style.It is suitable for household decoration, business gift superior. EVERYTHING IN THE PACKAGE You will get those as the picture show. Product protect pretty good to avoid any damage during shipment. THREE WORKING MODE We put three top discharge devices in the package. You can switch working mode easily by change the top discharge device. Screw off and screw on. Each working mode bring you amazing feeling and sense of vision Read more LONG LASTING Bigger heat sink equipped, can works for hours. No security concerns. BETTER PERFORMANCE This music tesla has circuit protection design, will not damage the input device, can play music in better quality than arc plasma loudspeaker, no format limitation. EASY OPERATION No Manual needed at all. PLUG and PLAY! No grounding needed. Read more ENDLESS FUN This misc tesla has the function of wireless transmission and loudspeaker, can light gaseous tube and kind of bubbles, play all kinds of music. It is a perfect teaching tool to spark students’ interest of science, also a great gift. AMAZING CONVERSATION PIECE ON YOUR DESK It's funny to see people's looks and reactions when they squeeze a little shot for this tesla coil model. Plug it and light LED bulb up, and then it works like charm. All of your guests want to know what happened, ice-breaking success. PRIORITY GIFT OPTION FOR MANY APPLICATIONS It is an amazing and fantastic product. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for Kids' science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc. Read more Features: 1. Voltage:8—32V （8V start to works，can light up bulbs; 13Vstart to arc，can play music; 24V has the best sound quality ，no higher than 32V） 2. Current: 0 - 2 A (power is determined by the input power, when it is 24V, the current is about 48W) 3. Size:8.5*8.5*17.5cm/3.3*3.3*6.9in Caution: 1. Not suitable for people with electronic medical instruments. 2. Do not touch the tesla while working. 3. Please do not use this tesla under environment with flammable and explosive materials or closed coil and big size metal. Package list: 1*tesla coil 1*audio cable 3*neon bulbs 1*adapter