Varivolt ecig 1.switch can 360 degrees turn 2. great ... volt ,huge vapor, Brass body with oil sprout Varivolt ecig Fuction of varivolt 1.Built-in three digit display ... Available user setting : Power adjust upPower adjust downPower on/off battery CheckAtomizer ohm checkLED on / offpush button , no matter ... .5ohm,5V-6V for 3.0ohm. variable voltage new ecig vmax adjust 3 volt to 6 volt ,huge vapor, ...