Introducing the Forever 40w Mod Kit from Dovpo. This device features wattage and temperature control functions (Ni200 & Ti) and an internal 1900mAh Lithium Polymer battery. The Dovpo Forever 40w Kit also includes the 3.5ml Mini Harvest Tank and 2 extra coils (0.5ohm & 1.2ohm). Temperature Control range is 200 F - 600 F. Standard Atomizer working resistance range 0.1 - 3.0ohm. The Dovpo Forever 40w facilitates safe functionality by including short circuit protection, overheat protection, overtime vape warning and low voltage protection. Kit includes USB charging cable. The Dovpo Forever 40w Kit is a perfect solution for vaping on the go and accommodates both beginner and experienced vaper's.