Stix 2.0 Vaporizer Pen Kit is powered by a built-in 350mAh battery with micro USB charging. It has the advanced mode with the functions of adjustable voltage (3.4V/3.8V/4.2V), 10s preheat, and auto draw and the regular mode only with the auto draw function. Inbuilt with a sensor control operation system, all functions will start right light off the bat with a few slaps. With a trio LED indicator, Stix 2.0 Vaporizer Kit can clearly show you various settings and relevant vaping information. In addition, the Stix 2.0 Vaporizer partners up with a Full-Ceramic cartridge of 1.0ml capacity and 1.4Ω for intact oil quality & delectable vapor.