1.Adopting dual-core ESP32 16-bit high-speed processor. 2.Compatible with GRBL software,Such as Candle,Bcnc,CNC3D COMMANDER... 3.Support six stepper drivers.X,Y,Z,A,B,C axis. 4.Support Homing,software/hardware endstop,Z probe. 5.Support hotspot,Wifi to control. 6.Support 3pin laser.Adjustable voltage PWM output. 7.Support 12-24V DC Auto-cut off power when voltage exceeding 30V. Automatically select external power supply as the main control input power,and prevent reverse power transmission,protect USB port.