Duet 2 Maestro Features: Input Voltage: 12V to 28V Voltage Monitoring: Monitors Vin Power-Loss Recovery: Supported Processor: 120MHZ Arm Cortex M4 (ATSAM4S8C) Motor Drivers: 5 X Trinamic TMC2224, providing up to 1.6 A current per motor, and 256 microstepping. Endstop Support: 5 X (can be with open source filament monitoring add-ons) Heated Bed Support: Up to 18 A Current Temp Sensor Support: 4 X capable of thermistor or direct PT1000 support. Fan Support: 3 X Voltage controlled fans, 1 X always-on. Selectable 5V/Vinput. Servo Support: 1 X Additional Motor Support: 2 X TMC stepsticks may be added. Ethernet Support: 100mbps Wired Ethernet WebInterface: Included LCD/TouchScreen Support: Compatible with PaneldDUE, in future firmware update. Compatible Firmware: RepRapFirmware, DC42 Forks Package List: 1pc Clone Duet 2 Maestro Board , 1pc Cable, 10pcs jumper,