The simplified outside look and inside operations allows you to get power from GEN 200 simply and effortlessly.powered by dual 18650 batteries (not included), and features a user-friendly 0.96” TFT screen, navigating the screen to adjust your wattage, voltage mode, or vaping mode. There have three vaping modes to choose from, containing Wattage Mode, Pulse Mode, and F(t) Mode. The F(t) Mode has more strengths for delicious flavor. Thanks to its Axon chip, the adjustable wattage can be altered between S(oft), N(ormal), and H(ard) mode, and the voltage can fire up to 9.0V. Fit for Vaporesso iTank Sub Ohm Tank, the tank is connected by 510 thread. It grips comfortably and ergonomically and is decorated with a dot matrix pattern engulfing the front and rear.