Onboard MCU. Only Klipper system is supported. This display must be connected to a host computer via USB, such as for /for . Comes with 1 USB cable, easy to use. Compatible with V0/0.1/0.2 series, plug and play. Full-color RGB lights, cool and controllable colors, can be customized. Specification: Type: LCD screen Screen size: 1.3 (inches) Resolution: 320x240 Touch function: no touch function for Voron V0/0.1/0.2 size: 80 x 35mm Material: PCB+electronic components colour: Purple Package Contents: 1 x LCD Display Screen 1 x 0.5m connecting cable 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.