3-in-1 multi-functional welding machine: The FEMEROL MIG140R MIG welder provides reliable 140A output, capable of seamlessly welding materials up to 1/8 inch thick. With its versatile capabilities of MIG welding with flux-core wire, lift TIG, and manual welding, this machine is designed to handle a variety of tasks, from home repairs to professional projects. Cooperative control or manual control: After selecting the welding wire diameter, the welding voltage and welding wire feed speed will automatically match. Even beginners can use it. If you are an experienced welder, you can also use manual MIG to adjust the voltage and current according to your welding habits. LED digital display screen: This 110v MIG welder comes with an LED digital screen that displays voltage, current, and other parameters. You assess the equipment's status without removing your helmet. You can make real-time adjustments to improve efficiency and accuracy. Fully reliable: It is equipped with advanced built-in safety mechanisms, including overcurrent, overload, overheating, and overvoltage protection, ensuring user safety the lifespan of the device.