Key Features:

• Powerful Output: Features a wide Output Current Range of 15-400A for versatile welding applications.

• High No-Load Voltage: A high no-load voltage of 75V ensures easier arc starting.

• Optimal Efficiency: An impressive 85% Efficiency rating ensures energy-saving performance.

• Compact & Lightweight: With dimensions of $420\times 160\times 300\text{mm}$ and a low weight of $5.1\text{kg}$, this machine is portable and easy-to-carry, ideal for field and aloft operations.

• Robust Protection: Features an IP21S Protection Class and Insulation Class F, providing reliable protection and long-term durability.

• Wide Electrode Compatibility: Supports electrode sizes from $1.6\text{mm}$ to $4.0\text{mm}$ for various welding tasks.

• Advanced IGBT inverter technology, dc output, high efficiency, energy-saving. (Retaining your requested generic features for completeness)

• O.C & O.H protection, for long-term using.

• Special for home DIY use, aloft operations, field operations and indoor-outdooor decorations.