The Custom Keypad Model Kit contains all the necessary hardware components for assembling a keypad. To complete the assembly, users also need to download the model files and print the remaining parts. If you want to customize the button, you also need to install the driver. Specifications Rated voltage: less than equal 36V Connectivity: Typc-C USB Operation model: Mechanical Operation system: , for OS Software platform: Background light: RGB Note 1.The driver only supports system, for OS users, you can customize the button via , and then use on the OS. Please note: print model is not included. If you need the model file and the manual instruction.Please click here tocheck out Colour:black Material:PCB + Plastic The actual product may have slight color difference or difference, which not affect the use Package Contents: 1 * Mainboard 6 * Switch (including 1 spare) 1 * Type-C USB 6 * M2 * 8 screws(including 2 ) 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.