The first model is the one that is a copy of the regular cigarettes. Such a cigarette can even have a led that will open all the time when a person will inhale the vapors. The second model of the electronic cigarette is the pen style one for all those who want to have a more discreet way of using the electronic cigarettes all the time.
Nowadays, electronic cigarettes offer different pluses. You can choose the right e-liquid sale at: nitrovapes.com/premium-e-liquid. But on the same time any person has to know the fact that there are different types of e-cigarettes available.