The KangerTech CUPTI 2 All-in-One 80W Starter Kit is designed for both mouth to lung and direct lung vapers. Featuring a large 5.0ml built-in tank that utilizes the acclaimed leak resistant cup design to help minimize leaks. The Kanger CUPTI 2 can support up to 80 watts and supports Ni, Ti and SS atomizers in TC mode. The Kanger CUPTI also features an adjustable airflow valve located right under the mouth piece for maximum airflow. The Kanger CUPTI requires two 18650 batteries but they are not included.The CUPTI 2 has a micro USB port for charging and future firmware updates.