1. Portable size and Ultra weight for easy movin 2. Synergic function makes the most difficult job become easy and simpl 3. Friendly Digital Control Panel makes easier welding parameters settin 4. Waveform control makes excellent Arc stability even at low current weldin 5. Multi functions including MIG, TIG and stic 6. Spool gu 7. Digital meter for easy viewin 8. Water cooling system is availabl 9. Programs and settings can be saved and selected according to welding purpos 10. Built-in protections including over-heat, over-voltage, low-voltage, and over-current