The light Bulb leviate and light up by simple but fasciating science, the levitation is the result of electromagnetic forces between the base and buld,the light bulb itself is powered through induction Please check the details, this item is work by magnetic field, A little tricky getting the balance point and levitate, As you gain experience, you will be able to levitate your light bulb more easily Specifications: Product Name: VGAzer Levitating Light Bulb Base Global Voltage Compatible: 110 - 240 v Power: 0.8 W Efficiency: 16Lm/W Brightness: 80-100 Lumens Touch button: on/off, Levitation height: 15mm-17mm Bulb size130*65mm/ 45mm Base size120*120*26mm Package size: 255 x 165 x 112 mm Product Weight: 1000g Packing details: 1 x Gift box 1 x Base 1 x AC Adapter 1 x Bulb 1 x User Manual