Easy to install, just print the printing parts and fix them with self-tapping screws, and the rest of the installation remains unchanged from the printing room. Strong scalability, this product is not only suitable for VORON series printers, if the user has development capabilities, it can be modified by itself for other models. Free product combinations, the key functions and number of keys can be combined by yourself, and different needs of different users can be met. The light color can be changed to enhance the overall appearance of the printer. Product name: Hot Key Board Applicable models: For VORON2.4/Trident/SW series 3D Printers Product combination: The basic product combination consists of a PCB and at least one key board. RP2040 MCU Daul per button 2-12 buttons freely assignable combination Klipper pre-installed USB interface Compatible with different sizes of for Voron V2.4/Trident/Switchwire Colour:black+white+red Material:PCB+Plastic+Metal Size:123 x 90mm Package Contents: 1 x Hot Key Board 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.