Variable Voltage: voltage can be adjusted from 3.3 – 6.0 volts in .1 volt increments.
Variable Wattage: Wattage can be adjusted from 3.0 – 15.0 W in .5 watts increments.
Short Circuit Protection.
Reverse Battery Protection Circuit
Battery Voltage Detection
Resistive Load Detection ( Ohms meter )
ON/OFF battery switch
LED Battery Power Display
Low Voltage Warning
Overtime Vaping Warning
Telescopic Tube supports 18350, 18500 or 18650 batteries
Battery safety protection
510 eGo style thread will fit any 510 standard thread and any eGo style thread
Change battery and switch VV or VW have parameter memory function
Built-in 3 digit display ( Ohms meter , Volts /Watts , Atomizer voltage output )
*Batteries not included

Includes:

1x SVD with telescoping tube device only.

1x Instrcution manual

1x gift box.