Features: Brand new and high quality New ID design upgrade G0 series MCU - STM32G0B1RET6 Heatsink design upgrade, increasing heat dissipation area for significantly improved performance. Increased fan control for device heat dissipation, lowering device temperature. Added thermistor interface for protection circuit to prevent damage to the main control chip. Package Includes: 1 Set Motherboard Specifications: Appearance Size: Approx. 103.75x70.25mm/4.08x2.77 inches Layers: 4 layers MCU: ARM Cortex-M 0+ STM32G0B1RET6 Power Input: DC12/24V Logic Voltage: 3.3V Motor Driver: UART mode for built-in TMC 2209 Motor Driver Interface: XM, Z BM, EM Temperature Sensor Interface: TH0, 2 channels 100K NTC (thermal resistor) Custom Display: 2.4-inch TFT, 3.5-inch TFT, Ender 3 original LCD 12864 screen, etc. PC Communication Interface: USB MicroB type, easy to connect and disconnect, communication baud rate 115200 Supported File Format: G-code Recommended Software: Simplify3D, Pronterface, Repeater-Host, MakerWare Note: 1. Please allow 1-2 cm error due to manual measurement; ensure you don't mind before ordering. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.