[32 Bit Microprocessor]: Adopted ARM Cortex-M3 series STM32F207VCT6 master controller chip with 32-bit CPU main frequency of 120 MHz, BTT TFT35 V3.0 touch screen can perfectly replace the LCD12864 screen compatible with use.[Dual Working Modes]: BTT TFT35 V3.0 display enables two different modes, with options compatible with either LCD12864 Encoder Mode, or the modern Colour Touch Screen Style. It also supports both SD card and USB stick printing.[More Reserved Extensions] :TFT35 V3.0 touch screen reserves the extension ports of filament break detection, automatic shutdown after printing, also WIFI function can be realized by external WIFI module through WIFI port.[Easy Firmware Updates]: It is easy and convenient to update firmware by SD card, simply downloading from Github, coping and saving it to SD card. firmware must bed reserved, then re-plug the SD card and wait to 10s. That's all takes to finish updating on firmware.Board specifications:Size: 110x58mmInput voltage: 5V DCInstallation size:103.76 x 49.43 mmNotes:1. When using 12864 screen mode, connect the port EXP1 and EXP2 to the motherboard.There is no touch function in this mode. (If you want to use theSKR MINI E3 or SKR E3 DIP, just connect EXP3 to the motherboard.)2. When using serial port screen mode, connect with TFT or aux-2on the motherboard via RS232. This mode has touch function.3. Two work modes can be changed by one key. Press the rotaryencoder compatible with about 3 seconds until the mode selection pageappears, then press the encoder after selecting.Onboard LED incompatible withmation:Red light D2 is the power indicator; it is on when the board is powered.Red light D1 is SD card detection indicator; it is on when a SD card isinserted.Colour: picture colorMaterial: ABSPackage Contents:1 * Touch Screen DisplayOnly the above package content, other products are not included.Note: Light shooting 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.