NON-HIGH FREQUENCY: The 'blow-back' start comes without interference and is safe and ideal for general use, friendly to the surrounding electrical machines and human health. DIGITAL DISPLAY: The latest digital display screen centrally displays parameters such as air pressure, voltage, current, etc., allowing users to view the status of the equipment in real time, adjusting the operation in a timely manner, and improving the efficiency of the operation. There will be an error code system on the screen if there is a problem with the machine. NON-TOUCH PILOT ARC: The pilot arc IPT40 torch has better cutting performance, which efficiently cuts through rough, painted, and rusty surfaces. Non-touch pilot arc technology allows you to cut without touching the tips to the metal. Better cutting quality and longer consumable life.