Smoant Knight V2 includes a compact size pocket temperature control mod which has 1-80W variable wattage and a mini size sub ohm tank which has 4.5ml capacity and top filling design. And when the mod work in TC mode, it can compatible with Nickel/Titanium/Stainless Steel/NiChrome and TCR. And it is powered by one 18650 battery. With the magnets back cover, it can let users replace 18650 battery easily. And there are many venting holes which will keep the mod and battery not too hot for longer lifespan.It also has adjustable airflow control design, so it can access to adjust the tank airflow control ring conveniently. It will perform well with Smoant Talos V1 Tank.