Features: B03047 fun diy keyboards for 3D printing DIY customizable keyboard Kit Support Full key customization and hot swappable mechanical switches for a personalizing typing Full key hot swappable and support all-key detachable, all-key swappable With mechanical shaft with backlighting support 8 light color switchable DIY printing case required；with rotation button for voice control Separate keyboard and cable storage semi-finished keyboard kit. Specifications: Item：Customization Keypad Model Kit Size:about 6.5x4.50cm/2.56x1.77in Key number： 5Keys 1 Knob Support: Hot Swappable/Backlighting Package Includes: 1PC Mainboard 6PCS Switches (including 1 spare) 1PC Type C USB Cable 6PCS Screws (including 2 spares) note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to the monitors