Features: The product adopts analog circuit design, low power consumption. Interesting little levitation gadget can support weight up to 150g/300g. Perform well that it can suspend stably for hours. With power-off protection to ensures safety operation. Suitable for students to learn the principle of welding circuit diagram. Specifications: Weight Capacity: 150g / 300g (Optional) Material: ABS Plug: US Power: 5W Power Supply: AC-DC 12V, 2A Item Size: Approx. 90 * 90 * 32mm / 3.54 * 3.54 * 1.26in Package Size: 15.5 * 15 * 5cm / 6.10 * 5.91 * 1.77in 150g: Levitating Weight: 150g Suspension Distance: 1.7cm Base Diameter: 88mm / 3.46in Base Height: 27mm / 1.06in Item Weight: 311g / 10.99oz Package Weight: 385g / 13.59oz 300g: Levitating Weight: 300g Suspension Distance: 2cm Base Diameter: 88mm / 3.46in Base Height: 27mm / 1.06in Item Weight: 426g / 15.01oz Package Weight: 500g / 17.66oz Package List: 1 * DIY Kit 1 * Plug Note: The components are plug-in type, which need to be welded by yourself. Thus it requires electronic foundation and hands-on capability for there is a certain difficulty. Please think twice before purchasing.