Features: This controller is-an auxiliary welding controller for argon arc welding, which can help argon arc 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. The-controller has simple wiring and convenient use, which is-a good helper for the staff. The-controller has four working modes, single-point pulse, double-point pulse, continuous pulse, original argon arc welding. It-is easy to operate for novices, not easy to be welded through, and not easy to deform. Specifications: Material:Electronic Component Size: As Picture Shown Package Includes: 1x Controller 1x Data Cable 2x Socket 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. Thanks for your understandings.