What is the difference between 2026 new 2M2 Shadow Warrior and old 2M2 Tank 2 Pro CNC key cutting machine?

2M2 Tank 2 Pro: more powerful motor and more robust structure.
Shadow Warrior 2M2: more compact and lightweight. The new 2M2 has LED indicators, built-in battery (5000 mAh), and tool box.
In terms of functions, key compatibility, and cutting quality, they are practically identical.
