1. Compact in volume, light in weight and power saved
2. easy to arc initiation, resistance to interference , good force adjustment
3. Stable welding current, low welding spatter
4. Good welding result, deep welding pool, high intension
5. Protection for over voltage, over current
6. Automatic voltage pulsation compensation capability.
7. Applicable for various acid and basic welding electrodes
8. Down hand cellulose electrodes