... /DC 2.40% duty cycle, 3. MMA 4. reasonable price at quality MMA WELDING MACHINE WITH CCC&CE APPROVED 1.Reactive power correction ... with 100 kHz high frequency;2.Compact structure, stable welding current, steady and intensive arc, reliable and durable, ... pedal control interface for safe operation;5.Complete accessories: welding torch, welding holder, earth clamp, etc.* BUY WITH CONFIDENCE.* QUALITY ...