Key benefits Autoignition function provides quick, reliable start and reduces setup time. Safety switch device enhances operator protection during use. Interchangeable joints enable multiple operation modes, including welding and hot air, with other compatible functions possible. Wireless handle improves maneuverability and control for field engineering tasks and onsite work. Key features Function: Autoignition for fast start; safety switch for controlled operation. Compatibility: Interchangeable joints allow welding and hot air operations, expanding applicable tasks. Operation: Wireless handle designed for easier handling in field and onsite environments. Use scenarios Onsite metal welding and hotair processing at construction or maintenance sites, where quick ignition and flexible joints streamline tasks. Field repairs of metal components or assemblies that require portable welding or hotair tooling in confined or awkward spaces. Work in restricted areas or at height where the wireless handle helps maintain better control and safer operation.