A great decoration for any desk. It levitates and rotates in the air. This high-tech device also features an LED light which, when switched on, creates an interesting effect in the dark generated. Operated by an electronically controlled magnetic system. Device has an electromagnet and a magnetic field sensor. How to use: 1. Set the c base on a horizontal and flat surface and turn on the power 2.Hold the globe with one hand and place the auxiliary stick on the base with the other hand. Make sure the north pole is at the top 3.Slowly drop the globe into the center of the base and move it from right to left or back to top to find the floating point 4.If You feel that it is no longer offset, the globe has found the center at that moment. You can completely let go of your hands. 5.If you fail at the first time, please don't give up. Try it again. Success comes from persistence! Feature: Material: ABS plastic, Input voltage: 100 240 V AC 50/60 Hz Output voltage: 12V DC 1000mA Size: 17 .5 * 17.3 * 5 cm Ball diameter: 8.5 cm Quantity: 1 piece