The Tsunami 24 RDA Glass Window Version Tank Atomizer by Geekvape features a Velocity style rebuildable deck with an adjustable Kennedy style airflow . It provides you more space to accommodate more cotton. A unique one is that the glass window allows you view coil build and cotton. This RDA also features a gold plated contact pin, PEEK insulator, and SS316L set screws fitted.Three different styles of drip tips are included depending on your preferences. Single and dual coils are both supported as well.