Features: Support out-of-material detection, proximity switch (can support 24V power supply, and no level conversion) and other peripherals brand new and high quality Onboard 4-way TMC2209, supports infinite switch reset, and provides up to 6 motor sockets. Support 5V WS2812 RGB light bar (recommended no more than 5W, that is, no more than 25 lamp beads) Support Compute Module 4; Support Creation WIFI BOX Core Board The on-board RepRapDiscount SmartController is for the horn socket for connecting external screens and SD cards, and the Pins function is multiplexed with UART and SPI, which can provide other peripheral connection requirements There are 2 TF card sockets onboard, one is connected to the MCU, the other is connected to the Pi/ WIFI BOX Specifications: Motherboard:Cheetah MIX Supported Extruder:1Max Power input : 12V and 24 (recommended24V, TMC2209 better driving effect) Onboards USB2.0 4-port for camera, etc. providing more for creative possibilities Onboards networking port Supported fan: 5Max: 2x12V ,3x 24V fan Controllable fan: 3Max 5v/12v/24v switchable Heating: 2Max hotend Port Chip: 340 MCU: STM32F401RCT6 Driver: 4Max (TMC2209) Size: about 155x65mm Package Includes: 1 PC x Cheetah MIX v1.1 for Motherhood note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.