DIY Learning Kit: The Ultrasonic Suspension Standing Wave Controller DIY Electronics Making Kit is suitable for DIY electronics enthusiasts, and can also be used as a school education practice kit, the welding practice kit is fun and can exercise hands-on ability, suitable for those who want to know more about physics Very interesting and useful for knowledgeable people.24hSuspension Stability: The suspended foam ball is stable, with the ultrasonic probe, it can still be suspended when lying down, and can be suspended for a long time.Suspension is stable for 24 hours, and the motherboard is slightly hot.LED indicator: LED (red) is the power indicator, LED (green) is the ultrasonic suspension indicator.The output voltage DC voltage is 12V, and the output current is less than 70mA.Easy Soldering:No complicated programming skills required.It requires basic soldering skills, all fittings are checked before the kit is assembled, and the locations of the components are already marked on the board for easy assembly.No need to worry about how to use it.Kit Included : The device consists of a PCB circuit board and components, and also includes a pack of foam balls.Not only will this improve your soldering skills, but it will also make you more familiar with electronic components and understand ultrasonic levitation and standing waves.Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.Colour:As shownMaterial:PCBPackage Contents:1 x soldering kitOnly the above package content, other products are not included.Note:Light reflection and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/- 1-3cm.