Specifications-Rated output at 20% of duty cycle TIG 150 amps at 15 VAC & 15 VDC. Stick 150 amps at 25 VAC, 130 amps at 25 VDC.-Welding amperage ranges TIG- AC low 20-50. AC high 50-165. DC 30-160. Stick- AC low 20-50. AC high 35-165. DC 25-130.-Max. open circuit voltage TIG 78. Stick 78.-Amps input at rated output 230V, 25 amps-Dimensions 18H x 13W x 25-1/2D. 140 lbs.-Processes TIG (GTAW) & Stick (SMAW)-Applications Maintenance, construction, auto repair, farm/ranch, rental, home Complete AC/DC TIG and Stick welding package - All you need is a bottle of shielding gas and some stick electrodes and youre ready to start welding TIG mode - 18 gauge to 3/16 steel and stainless steel, 14 gauge to 3/16 aluminum. Stick mode - 3/32 to 1/8 electrodes. Upgraded circuitry gives you finer TIG output adjustment with remote foot control Four-position polarity and range selector switch offers two AC current ranges, DC electrode (-) for TIG, and DC electrode ( ) for Stick Special arc starting circuitry eliminates high-frequency starts, built-in arc assist stabilizer for AC TIG on aluminum, built-in arc assist starter for DC TIG Unique flow-through shielding gas TIG torch connection allows removal of torch without tools Preset automatic postflow timer protects tungsten tip, workpiece and torch. Automatic high temperature shutdown. Includes Basic unit, 150 amp TIG torch with 25 cord and flow-through quick-connect, foot control, electrode holder and 15 cable with quick-connect, gas regulator, flowmeter, shielding gas hose, and How-To DVD