This controller is-an auxiliary welding controller for welding, which can help 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 welding. The-controller has simple wiring and convenient use, which is-a for the staff. The-controller has four working modes, single-point , double-point , continuous , original welding. Package includes: 1x Controller 1x Data Cable 2x Socket