Royce Mma 300s Inverter Welding Machine

This is a Royce MMA 300S Inverter Welding Machine. It features advanced Insulated-Gate Bipolar Transistor (IGBT) inverter technology for stable performance. The machine has a current range of 20-140A (as per the image text, although some sources state 20-300A). It is designed to be lightweight and portable, making it easy to carry for both professional and DIY use. It is suitable for welding with various acid or basic electrodes.