Features: Brand new and high quality NYYHD01 argon arcs welding to spot welding control board is a simple time controller with multiple specifications and multiple welding forms developed for argon arcs welding to spot welding and imitating cold welding. It is directly installed on original argon arcs welding machine. It does not affect the function of original welding machine, the wiring is simple, and the operation is very convenient. With a small investment, your ordinary argon arcs welding machine will have the welding effect of a professional cold welding machine, which can easily realize the welding of workpieces.The output adopts the uniquely designed double output, which greatly increases the service life of controller. This controller has 3 control modes.Single point welding: only one pulse per triggers.Continuous welding: output continuous pulses as long as the triggers switch is closed.Original machine welding: welding with original argon arcs welding function Press the [Mode] button once, the specification number, pulse width, and pulse interval indicators will be on. At this time, the operation mode can be selected by the knob. After the selection is completed, press the [Mode] button again to save the mode. Specifications: Material:Electronic Component Size:Approx.110x60mm/4.33x2.36inch Package Includes: 1 Set Welding Control Board note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.