1. With special power chip, support 24V power input
2. The circuit board is optimized by circuit, effectively solve the heating problem
3. Can work with E/Z/Y/X a-xis motor
4. With USB interface, easy to operate
5. For Ender-3 /3 Pro / 3V2 / 5 / 5 Pro
Note: Ender-3 / Ender-3 Pro use the same main board but different firmware
