VOOPOO Drag 4 Box Mod, offering up to 177W of output, temperature control suite, and is powered by a pair of 18650 batteries. Constructed from durable zinc-alloy, the chassis of the Drag 4 Mod is impervious to light falls and drops, preventing damage to the intelligent GENE Chipset within. Outfitted with a nifty temperature control suite, the Drag 4 Box Mod is capable of compatibility with nickel, titanium, and stainless steel wires to allow the user to carefully tailor the vapor output to their desired temperatures.