Cute little mod with what looks to be like a cute little simple tank. Looks like this is one of those one-button jobs. The front has three lights with markings to indicate low, medium, and high. So far, it doesn’t feel plasticky or cheap. It actually feels kind of nice. Definitely some sort of metal construction here. Petite and powerful do not begin to describe what the Compak S-class has in store for the vapor industry. Compak-S brings all of the same functionality and style that you've come to expect from Sigelei, only wrapped in a smaller and more ergonomic package. Designed to be lightweight, simple and small, this mod is the predominant choice in today's compact device market. Vaping made easy!