User-friendly operation interface: The TIG Wedler AC DC 200 welding machine is equipped with a large-sized LCD display, allowing you fine-tune the welding parameters with high precision. The welder can precisely adjust the base current, peak current, arc start/end, pulse frequency, pulse width, and cleaning to achieve perfect welding. Powerful cooling, versatile welding: Our multifunctional aluminum gas shielded welding machine is equipped with an efficient cooling fan, ensuring stable output even during long processes, without the need to worry about overheating. The welder features 2T/4T switch/pulse function, adjustable pulse duty cycle and frequency, adjustable downsl time, VRD safety protection, box welding/anti-sticking function, and automatic current detection and cut-off. Reliable and stable arc performance: Experience a stronger, more concentrated, and exceptionally stable arc, ensuring a smooth, consistent, and reliable welding result on various. Use this advanced dual-power 120V/220V welder to enhance your welding capabilities. Unlock new possibilities and take your welding projects to a level. Advanced inverter technology: This welding machine employs the latest inverter technology, which significantly enhances the welding efficiency compared to traditional welding equipment. It also features a, lighter weight, making it convenient to carry and store. It offers excellent industrial-grade welding capabilities, reliable performance, and consistent quality. This TIG welder is designed to be super user-friendly, even for beginners. You can choose between 2T, 4T or SPOTIG mode and foot pedal control (not included) to meet specific requirements. If the foot pedal is plugged in, it will automatically switch to foot pedal mode after restarting.