Features: There are four mounting holes, 3mm in diameter, with thread, easy to install. Magnetic platform with LED lights to light up and focuses your items. With wireless charging function. This is a great DIY module kit as an educational model science physics experiment toy. Perfect for both beginners and experienced users. Its user friendly features make it accessible to anyone looking to create stunning displays. Whether you use it to showcase artwork, highlight special items, or simply enhancer your space, this display stand will leave a lastingimpression. Specifications: Material:Metal+Crystal Plug:UK/EU/US/AU Load Bearing:500g Power adapter: 12V 2A (working current 0.2A) Hangings height: 1.8-2.5cm Diameter of floating magnet crystal: 5cm. Dia:Approx.10cm/3.93inch Package Includes: 1 Set Magnetic Levitation Module note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.