The Dovpo MVV is simplicity in motion. This mod is known as semi-regulated. This means it delivers the power of an unregulated device, while giving you the security features of a regulated device. It has reverse battery protection, a battery meter to keep track of the power, and a five click on/off feature. This mod is equipped with a potentiometer for power that increases and decreases on the go. It is powered by dual 18650 batteries ran in series so you know the power will be there when you need it.