It has "V" carved on top cap and base as the symbol of new version. To avoid accidental leakage, it has a press button on the top cap; to enlarge capacity, it uses Bulb Pyrex Glass Tube #7, which has 5ml capacity, increasing by 70% than the first version. And surprisingly, it has two powerful new cores, Baby V2 A1 and A2, A1 has super large heating area to offer you fast heating process, A2 has dual mesh structure inside to produce huge vapor cloud. Besides, this tank has 3 wider airflow slots to bring more air in. Take TFV8 Baby V2 and ready to lost in the massive vapor!