Ну у него название такое кривое на сайте. АС DC он. The Eastwood 200 Amp Digital TIG welder has all the features of a professional machine but at a fraction of the price. Manual Arc (Stick) – DC Positive/Negative with Hot Start and Arc Force control to prevent rod stick and superior arc control.DC TIG – Weld Steel and Stainless SteelDC TIG/Pulse – Minimize warpage and prevent blow through on thin Steel and Stainless Steel - AC TIG – Weld Aluminum with easeAC TIG/Pulse - Minimize warpage and prevent blow through on thin Aluminum -AC TIG/MIX – Achieve greater penetration on thick material, while having a more stable arc profile for thinner metals.TIG/Spot – Precisely time welds for repeatable production2T/4T – 2 touch and 4 touch finger control used for amperage control without a foot pedal -AC Frequency Control – Fine tune the arc cone width for precise aluminum welding.Programmable settings – 5 Factory Presets and 15 customizable preset to quickly change between your favorite settings.Flex Head 17 Torch – Adjust your torch head to the perfect torch angle in hard to reach places.Gas Flow Meter – Precise gas flow adjustmentRocker Style Foot Pedal – Infinite amperage adjustment without leg fatigueSquare Wave IGBT Inverter – Power source enables welding of materials from Aluminum to SteelThis machine features AC and DC TIG welding, Pulse, 2T/4T, AC Frequency Control, Spot Timer, and ARC (Stick) welding. The welder comes with a Flex Head 17 torch, Gas Flow Meter, Rocker Style Foot Pedal, Gas Hose and all consumables needed to get started Спасибо.