... achieve Variable Voltage 3.0V-6.0V. Settings You can choice: Voltage UP, Voltage Down,Standby on/off, ... as a low battery alert5, use Pulse Width Modulation for the voltage output6, PCB allows 5 Amperage output ... times to go into setting choice model.After that, you can choose following settings: VU, VD, SO, CB, DR ... -LED light on/of (press 9 times) 2012 top grade IMotion2 V+ with vivi tank e cig mod