Product Name: Spherical Rotating DIY Welding Kit Product model: TJ-56-347 Working voltage: DC5V Rotating diameter: 166mm Number of LEDs: 56 in red and 56 in blue Note: It's diy kits. Need to solder by yourself. Display characters: 60 text or 100 English characters Board size: main control board 125 x 48mm, side panel 90 x 75mm Set Type: B: No Downloader Material: PCB+electronic components+acrylic colour: green+transparent Package Contents: 1 x Spherical Rotating DIY Welding Kit 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 measurement allowed error is +/- 1-3cm.