The authentic Desire Mad Mod is a versatile regulated device that is powered by single 18650 / 20700 battery and can fire up to 108W. The mod has several modes to satisfy different needs, including VW, TC (Ni / Ti / SS / TCR), PMG (Power Multiple Graph) modes. The resistance range is from 0.08 to 3ohm. Convenient battery cover with lock design, 0.96-inch LED large display.M-tank comes with 3 ml capacity. The M-tank features easy top refill and bottom airflow.