Durability: Equipped with a large heat sink that can work for hours. There are no security issues. Better performance: This music Tesla is designed with circuit protection, will not damage the input device, can play better quality music than arc plasma speakers, no format restrictions. Easy to control: no manual operation at all. Plug and play! No grounding is required. The entertainment is endless: This different Tesla has wireless transmission and speaker functions, and can light gas pipes and bubbles to play any music. It is an ideal teaching tool to stimulate students' interest in science and a great gift. Great conversation snippet from the desk: It's fun to see the expressions and reactions of people as they take pictures of this Tesla coil model. Plug it in and light the LED bulb, and it works like a charm. All your guests want to know what's going on, and it's an incredible success. Plug type: American plug, suitable for Canada, India, Japan, Mexico, Thailand, the United States, the Philippines, etcVoltage: 8-32V (8V starts working, bulb can be on; 13V arc, can play music; 24V has the best sound quality, not higher than 32V) Current: 0-2A (power is determined by input power, about 48W at 24V) Size: 8.5x8.5x17.5cm / 3.3x3.3x6. 9inchType: ShelledColor: GoldMaterial: metal computerThe package includes: 1 Tesla coil1 audio cable3 bulbs1 adapter