Vandy Vape Berserker V1.5 MTL RTA has a great improvement in the airflow system. It comes with five different diameters airflow slots to bring simply the possibility of a real cigarette tightening. The deck also has an airflow slot which can make airflow hit the coil directly. The deck adopts a new design for a single coil building. The Berserker V1.5 RTA features convenient top filling design, big filling slot avoid leakage effectively. The RTA has two appearances and two drip tips available. The hollow out drip tip is great for heat dissipation.