... feild of doing electrolytic oxidation andcolouring aluminium alloy & radiator,and polishing & deleting gap of somestainless steel materials.Character:the ... ly)4,output current:0 to specified value5,high and low current:working plied automatically,timing(0 to99hours99minutes) 6 ... -currentover-heating ,over-loading ;4,this product with acoustic and optical alarming (bug or timed) function;5,this product ...