You must have known that a regulated mod is much safer than a mechanical mod. For the sake of safety, a regulated box mod is the first chioce, especially if you are a beginner in vaping. The latest Presa series temperature control mod, Presa TC100W is so powerful, provides great power output, also supports the switchable temperature control mode. If you are a fan of Presa Series, you can use the similar operation on this device: press the unique fire button to start enjoying the wonderful vaping experience(VW/TC). A small difference is the position of the regulatory button, below the screen display and above the Micro USB port. Hurry to give this fantastic stuff a try here on http://www.wismec.org/presa-tc100w.html.