The Snowwolf MFENG UX 200W TC Vape Mod is based upon the original MFENG mod with improvements to the design creating a superior vaping experience. Its 0.0005s Insta-fire design gives you the most sensational taste for every puff and large vapor clouds experience and the UX has a child lock function, which the user has the choice to turn it on or off. The new interface for both power and temperature control are simpler to understand and the new luxurious design features an iconic Snowwolf logo embossed on the back panel. The great new design can fire up to 200 watts and supports nickel 200, titanium and stainless-steel wire. It requires (2) high amp 18650 batteries (sold separately) which can be easily charged from a micro USB charging port.