WELD ANYWHERE: Plug in the Century FC90 flux-cored wire feed welder anywhere 120V input power is available. LIGHTWEIGHT & PORTABLE: Ideal for maintenance and mobile welders, thanks to its small and lightweight inverter design and shoulder strap for portability. FC90 WELDER FEATURES: Automatic thermal protector shuts off output until machine cools to a normal operating temperature; Easy to turn control knobs allow you to fine tune welding parameters; Conveniently load your spool of wire on top of machine. SMOOTH OPERATION: Inverter power source makes it more efficient to operate and provides smoother weld characteristics compared to traditional welders. PERFECT FOR SMALL WELD JOBS: This machine is best for DIY projects, hobbyists, home repairs and more; Infinite welding voltage allows fine-tuning of weld characteristics; 30% duty cycle at 80 Amp; 30-90 Amp range.