Vaporesso Transformer Switcher 220W kit is a totally lovable and most convenient mod as it comes in a metal case. The metal case is fully replaceable and hereby it creates different looks which is almost liked and appreciated by every user. Vaporesso Transformer 220W comes in with the optional lighting version also named as Transformer LE which then make the vaping effect shining and fun to look at. An OLED screen has been featured along with it which total measures to about 0.96 inches. The system is powered by 18650 batteries and maximum 220w output wattage.