3D Printer Board ARM 32Bit Lerdge-K Control Motherboard For Dual Extruder With 6pcs A4988 Drv8825 LV8729 TMC2100 TMC2208 DriverPacking list:1. Lerdge-K mainboard *1pc2. power supply cable* 1pc3. A4988/DRV8825/LV8729/TMC2208 driver with heatsink* 6pcs ( optinal)Attention:our Lerdge-K controller board can only be compatible with Lerdge touchscreen. If you want it, you can purchase it below.If you want to buy Lerdge-K board set, you can click below picture: AttentionItem specifics:Model number: Lerdge-K boardItem type: MotherboardColor: blackBoard size : 90*140mmInput voltage: 8-35V 10-15AMicro processor: STM32F4Compatible driver: A4988/Drv8825/LV8729/TMC2100/TMC2208Drivers : 6pcsSupport file format: GcodeSupported printer: XYZ, Ultimaker, Delta, Hbot, CorexySupport dual-color printing : yesSlicing software : Cura, Makerware, Repetier-Host, Simplify 3DTemperature measurement: thermistor