Offers standard type pulse feature for AC and DC, and a special Advanced Pulse for AC for welding thin material, increasing travel speed and reduces warping. Can be used with optional finger amp control torch. Portable and Lightweight design offers rugged exterior and a flip down visor to protect panel from sparks and damage. Microprocessor control offers precise management of welding parameters and functions. Wave form control offers 3 types of wave form for AC welding: Triangular Wave, Advanced Square Wave, and Soft Square Wave. Programmable Memory allows user to save parameters for up to 9 different programs. HF or Lift Arc capability in AC or DC modes. Offers programmable Stick functions which include hot start time, hot start intensity and arc force control. 5 years warranty. Input Voltage/Hz/Phase 220/240V 50/60 Hz 1Ph -- TIG Output Amps 5 to 210A DC; 10 to 210A AC --Stick Output Amps 10 to160A--Duty Cycle @ Rated Amps 40% @ 210A -- Wave Form Control Sine Advanced ,Square and Soft Square --AC Frequency 15 to 200 Hz-- AC Balance -30 to +30% (20-80% of EP) --Tig Start Type Lift and HF start --Pulse Type Standard (for AC and DC use) Advanced (for AC use only)--Pulse Frequency DC .5 to 500 Hz AC .5 to 10 Hz --Pulse Time On % ( Pulse Width/Balance) 20 to 80% --Pulse Amp (base) Adjustment 1 to 99% of Welding Amps--Pre-Flow Time .1 to 9.9 Seconds--Post-Flow Time 0 to 25 Seconds -- Start Amps 1 to 100% of Welding Amps--End Amps 1 to 100% of Welding Amps--Up Slope 0 to 10 Seconds--Down Slope 0 to 25 Seconds--Adjustable Hot Start Time (Stick) .5 to 5 Seconds--Adjustable Arc Force Control (Stick) 0 to 100%--Adjustable HF Start Time Yes .5 to 5 Seconds--2T/4T Torch Control Yes --Adjustable Lift Start Amps Yes