i bought my self a smok cube 2 this thing is unreal !!! 160w but downloaded new software which pushed it up too 180w,bluetooth,led,temp control using 3mg but to be fair since i stopped smoking my chest is better i dont wake up with a bad back as smoking can do that too you in over all e cigs are mint! my advice if your going to get one buy a decent one i started off with a kangertech starter kit which is 50w retail is £45 on amazon