Fangrui Product Details Describe: The Text In The Picture Is Formed By Using A Motor To Drive The Led To Rotate, And A Microcontroller To Control The Lighting And Extinguishing Of The Led. At First Glance, These Words Words Suspended In The Air, With No Worries Up, Down, Left, Or Right, Giving People A Beautiful Feeling. Memories And Enjoyment. For Electronics Enthusiasts, The Happiness And Joy That The Successful Production Of Such A Work Brings To You Is Simply Indescribable. Specification: Power Supply: Dc 5v(dc Power Socket) Number Of Leds: 16 Red, 16 Blue Display Characters: 60 Chinese Characters Or 100 English Characters (scrolling Display) Type: B-led Display Diy Kit Material: Pcb+electronic Components+acrylic Colour: Multicolor Package Contents: 1 X Led Display Diy Kit(its Diy Kits. Need To Solder By Yourself) Only 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 Measurem