HIGH FREQUENCY ARC STARTING: The TIG welder features non-contact arc initiation that help start arc easily and reduces tungsten and material consumption. Advanced MCU and IGBT Inverter technology digital control system to deliver a flawless weld, making spatter and post-weld cleanup almost non-existent. HF TIG/STICK 2 in 1 WELDER: Tig welding machine can provide up to 200 amps, that always make precise for stainless and mild steel. Stick/MMA (Hot start, Arc-force, Anti-stick) welding capability for outdoor work or thicker materials. Powerful and easy-to-handle, perfect for entry level welders. POST GAS & DOWN-SLOPE AND 2T/4T: Post Gas time can be setting 1-10s, when you switch off the tig torch, it will continue to blow gas to protect the weld and cool down the torch head and prevent the torch accessories damage. Down-slope time also be setting 0-10s, it will protect machine. 2T/4T provide you personalized choices, 4T is suitable for long term welding. Unique Large LED screen design, provides you with accurate data display and makes you read easier. SAFETY & FAN WORKS as NEEDED: Cooling fan system that runs only when the welder machine needed so no constant buzzing sounds. We take care of our customer’s safety based on VRD, over current/over voltage/over current/over-load/overheating protection function. Lightweight as less than 12lb allows the user to easily move from location to location by handle or shoulder strap(included).