DESCRIPTION 1)Portable device is easy for operation , digital and timing control is precise and stable , good welding effects such as thin sheet and fine wire . 2)With vertical motion of welding arm , single spot welding and row welding can be done ; with accessories , butt welding can also be done . 3)SCM integrated control system , precise and stable welding with high quality . 4)With current rise delay , no sparks flying . SPECIFICATION Model Rated Capacity Rated Voltage