The H&S Autoshot AC/DC Pulse TIG Welder, No. HST201, is designed for aluminum and steel. This welder offers 99 percent efficiency PFC, 90 to 277 volt input, inverter power and 60 percent duty cycle at 200 amps, according to the company. The package includes: dual-voltage inverter power supply; TIG torch with quick-connect welding cable 12.5'; 200A work clamp with quick-connect welding cable 10'; 200A electrode holder with quick-connect welding cable 10'; foot pedal control with direct-connect cable 12.5'; 115V adapter; 2-gauge gas regulator; AK-2 torch kit; and operator manual.