Features: Brand new and high quality This controller is an auxiliary welding controller for argon arcs welding, which can help argon arcs welding workers to easily complete the welding work and improve work efficiency This controller can accurately output the welding control time and control the consistent welding points, which can imitate cold welding and spot welding. This controller has simple wiring and convenient use, which is a good helper for the staff This controller has four working modes, single-point pulse, double-point pulse, continuous pulse, original argon arcs welding It is easy to operate for novices, not easy to be welded through, and not easy to deform. Single point pulse: Each time the welding button is pressed, the controllers outputs a pulse Double-point pulse: Each time the welding button is pressed, the controllers outputs two pulses Continuous pulse: Press and hold the welding button, the controllers will continue to output pulses until the button is released. Original argon arcs welding: Press and hold the welding button, the controllers will continue to output the startsignal until the button is released Specifications: Material:Electronic Component Type:A/B Package Size:Approx.180x100x25mm/7.08x3.93x0.98inch Package Includes: 2 Optional Package: Package 1 Include:1x Controller 1x Data Cable 2x Socket 1x Fixing Screw Pack Package 2 Include:1x Controller 1x Data Cable 2x Socket 1x Fixing Screw Pack 1x Screwdriver 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.