The Fantasia F2 starter kit has a lot of great new features. The bigger 1100mAh battery offers up to 10 hours of battery life and now has variable voltage. The EVOD battery design has a large firing button that is flush with the surface of the battery, helping to prevent accidental firing. The dial on the bottom of the battery offers up easy selection of four different voltage levels, 3.3V - 4.8V, allowing you to fine tune your cloud size and flavor. The larger flavor tank now has a modern style replaceable coil and holds up to 5ml of e-juice. Even better, when you draw on the F2 vaporizer an internal LED lights up. Yes, this hookah pen is going to turn heads. And don't worry about what to put in your tank, Fantasia has included a 15ml bottle of their fabulous e-liquid. Also included is an USB charging cable.