Plasma pen maglev K29 is the most classic item which popular use in European countries. It is only 2 power level control by voltage and transformer turn it into plasma sine wave. So even it is simply design but still a plasma pen for eyelid lifting and wrinkle remove. Now is the 3rd generation using copper needle could be bend, do not do further upgrade on this item because since September 2019 our new plasma item beierplasm K85 already finish design. A lot distributors, including exclusive distributors already singed in some countries. K29 plasma pen two power level voltage 1.48KV and 2.02KV standard shooting need 3-5 days scars fall off. Offer demo video and English user manual, do not provide details treatment training. Logo branded accepted. Need more high level plasma lift please check beierplasm K85.