Here's a description
The revolutionary Delta II, features an user-friendly adjustment of air inflow. With the Liquid Valve Control (LVC) base on the new changeable sub ohm coil, Delta II can be used on a wide range of wattage from 20 watts to 45 watts. And the all stainless steel construction creates an environmental puff. Besides, the Delta II also has a changeable RBA option. Delta II LVC (Liquid Variable Control) atomizer head, with 0.5ohm resistance, can create huge cloud production. Also, rotate the ring on the head clockwise or counterclockwise to adjust the liquid valve. Delta II RBA coil is convenient for customers to rebuild and replace coils as they wish and is economical but not low-end for better vapor experience.
The Delta II with the iStick 50W will produce amazing
vaping experience.