Voopoo Vape Drag 157w box mod is made of stainless steel and carbon fiber,light weight and feels good in the hand. Different fashionable colors available. The new Voopoo box mod operates in VW and TC mods, supporting Ni, Ti, and SS. In VW mod it supports resistance as low as 0.05ohm. It has the fastest fire speed in the industry – 0.025seconds.