Justfog Q16 starter kit consist of 1.9ml capacity Q16 clearomizer and a built-in 900mAh J-Easy 9 battery. Due to its higher resistance coils, the 900mAh battery can last an entire day even for heavy smokers. It is a mouth to lung clearomizer which is perfect for smokers trying to quit. It is easy to use with 8 level voltage function. It is easy to use and compact device that resemble cigarette smoking. Ideal device for beginners due to its ease of use.