... display the welding current, visual and more reliable. Easy arc starting, steady welding current ,fast response, less noise, ... small splash, good look of welding seam. With complete accessories, TIG torch , electrode holders ... cycle60%60%Rated output Current16.4A18ANo-load exhaust40W40WWay of arc ignitionHigh frequencyHigh frequencyEfficiency85%85%Power factor cos0.930. ...