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 screenScreen size: 1.3 (inches)Resolution: 320x240Touch function: no touch functionfor Voron V0/0.1/0.2size: 80 x 35mmMaterial: PCB+electronic componentscolour: PurplePackage Contents: 1 x LCD Display Screen1 x 0.5m connecting cableOnly 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.